Counter-Strike: Global Offensive. Rather than an element found in nature, cobalt is a hard yet brittle mineral contained in the Earths crust and is a byproduct of the mining of other metals, including nickel, copper, silver, lead and iron. 115. r/whatsthisrock. even partially polished, it might be stunning! We do see one or two of those a year, there are remnant cisco in the lake whether theyre migrating or actually reproducing here. The blue walleye (Sander vitreus glaucus), erroneously called the blue pike, was a subspecies of the walleye that went extinct in the 1980s. Find out more in our Cookies & Similar Technologies Policy. Some cyanobacteria blooms can grow rapidly and produce toxins that cause . In addition, the study cites high levels of phosphorous in the 1960s, near the end of the blue pikes existence in the lake, as causing large algae blooms and oxygen depletion. Heyit's WORK, I tell you. 192.00, 240.00 Rare Lake Erie Foundry Glass, Sale Price 3.15 Since East Harbor State Park is situated on a peninsula, theres plenty of delightful views to take in on both sides. Most rockhounds who go to the Lower Peninsula to look for blue slag do so in the summer, as the winters in this neck of the woods are very cold. The best hidden gems and little known destinations - straight to your inbox. The window of time for locating anglers who fished for and remember blue pike is quickly narrowing. "This is probably the crme de la crme of festivals," said Beverly Vinch, of Washed Ashore Jewelry, based in Avon Lake, Ohio. Genuine Blue Seaglass $7.68 $7.68 $6.14 Only 1 available and it's in 1 person's cart Shop for gifts View all gift guides The Holiday Shop Shop this gift guide Gifts Under $30 Shop this gift guide Gifts for Her Shop this gift guide Stones and rocks ideas You can change your preferences any time in your Privacy Settings. Another artist, Maxfield Parrish, was so well known for his superior cobalt blue sky-scape paintings that the hue is sometimes referred to as Parrish blue. It can also be found in much smaller quantities in Tennessee and Sweden, but of course, these cannot be considered Leland Blue slag. Mitigating those blooms costs another $21 million. And when that persons gone. he said. ), See The Insane Detail of This Ancient Fish Fossil: A Stunning Window into Prehistoric Life. 5 out of 5 stars . In order to give you the best experience, we use cookies and similar technologies for performance, analytics, personalization, advertising, and to help our site function. In 1983, the U.S. Represented as the first element in the ninth column of the periodic table, cobalt possesses an atomic number of 27 and is recognized by the symbol Co. List Of Minerals And Gemstones Found In Michigan! Smaller fish, very good eating, he said. Even these small pieces are often fractured. 21.75, 29.00 The most abundant chunks ran pewter to blue-gray. $625,000 Last Sold Price. A planning guide for public health and emergency response professionals from Wisconsin's Climate and Health Program. Designed for efficient brutality, using a push dagger is as simple as throwing a punch or two. Artificial: Know the Difference, International Sea Glass Association official website, International Sea Glass Association Facebook page, Guy Fleming to Speak at the 2023 Sea Glass Festival, 2023 Sea Glass Festival Speaker Nominations. HAB resources from Michigan's Department of Environmental Quality. Learn more. The commercial catch in 1885 was 3,152,400 pounds. I too believe it is Leland Blue - glass slag from the copper mining industry years ago. Slag: Slag is often black, shiny, and sometimes almost iridescent. but it made me giggle. Headlands Beach State Park is a 2021 Tripadvisor Travelers Choice location. Take a dip after a day of hiking, kayaking or fishing (though you need an Ohio fishing license to participate). The softness of blue slag means that it is nearly impossible to cut without fracturing it. The fisheries biologist was among a handful of people who kept casual tabs on the lakes special fish which had been secretly stocked by two biologists in 1969. Blue-Green Algae Information Lake Erie Harmful Algal Bloom Resources Ask the Great Lakes Now Team Your PFAS Question, Beneath the Surface: The Line 5 Pipeline in the Great Lakes, Collection 1 An Exploration of the Great Lakes, Collection 2 Threats to the Great Lakes, Collection 3 Virtual Field Trips in the Great Lakes, Collection 4 Lesson Plans from Our Monthly PBS Program, Artificial reefs bring wild lake trout to Lake Huron, I Speak for the Fish: Playing follow-the-leader with diving ducks. In the 1960s, Lake Erie was widely declared dead due to its pollution and algae. Fish and Wildlife Service declared the blue pike extinct. This is why the color of blue slag can vary from blue to green to purple. It came into existence when Niskanen got word that a tiny, remnant population may still exist in a remote northern Minnesota lake more than 800 miles from Lake Erie, the blue pikes native home, though that didnt turn out to be the case. But it held its own magic. What Are Ammonite Fossils? This fuels a bumper crop of algae each year that can make water toxic to fish, wildlife, and people. The New York, Chicago and St. Louis Railroad (reporting mark NKP), abbreviated NYC&St.L, was a railroad that operated in the mid-central United States.Commonly referred to as the "Nickel Plate Road", the railroad served parts of the states of New York, Pennsylvania, Ohio, Indiana, Illinois, and Missouri.Its primary connections occurred in Buffalo, Chicago, Cincinnati, Cleveland, Indianapolis . Theres 3,200 acres of space and 13 unique beaches to explore. The blue pike, Ciscoe, lake trout and other cold water fish were exterminated by the invasive smelt that fed on the small fry. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Other sources are found in Canada, Brazil, Russia, China and Morocco. It has been cold blued. Adults reached an average body length of nine to sixteen inches and weighed five ounces to one and a half pounds. Check out our lake erie blue stone selection for the very best in unique or custom, handmade pieces from our shops. SOLD MAR 21, 2023. Theres a legit disc golf course for anyone looking to show off their frisbee skills. In 2008, the article In Search of Blue Pike appeared in Minnesota Conservation Volunteer, an MDNR publication. Green goomiles and miles of it . 50.71, 60.85 Port Clinton resident Al Wozniak, 90, remembers. Researchers have concluded the coloration is caused by sandercyanin protein in the fishs mucous. Algae makes water treatment more expensive at every step of the way. https://ohiohistorycentral.org/w/index.php?title=Blue_Pike&oldid=31230. Some cyanobacteria blooms can grow rapidly and produce toxins that cause harm to animal life and humans, so scientists describe them as harmful algal blooms (HABs). Rent a canoe or paddle boards together for a truly romantic excursion! Lake Erie, one of the five Great Lakes, is known for unpredictable weather and dangerous waves, which leads up to why there was such a great need for her gorgeous lighthouses at the turn of the century. The winds stir the water, pulling quartz sand and silt from the lake bottom to the surface, says . These muted stones tended to be flat, elongated and an inch or two thick, as if they'd emerged from the furnace in sheets that shattered on contact with the icy Lake. They were stocked in the lake on Oct. 30, 1969. Granite: Granite is an igneous rock that formed deep underground and is abundant in northern Wisconsin, the Upper Peninsula of Michigan, and Ontario. It was common for mining companies to dump the slag into various bodies of water, as it was considered waste. :), Ha ha! The red or pink mineral in granite is potassium feldspar. Detecting glimpses of well-worn cornflower or royal blue gems ashore may generate well-deserved shrieks of delight on behalf of some beachcombers, while others may experience a stunned silence. Cookies and similar technologies are used to improve your experience, to do things like: Without these technologies, things like personalized recommendations, your account preferences, or localisation may not work correctly. Etsy is powered by 100% renewable electricity. However, high-quality raw blue slag can cost as much as $100 per pound. In 1964, fish dealers sold less than 200 pounds of blue pike. Its ideal for anyone who wants to rent a boat or has a boat, as the beaches are not easily accessible for swimmers. Lead is one toxic byproduct of steel milling. how fun to look for something! The green in Lake Erie and in Lake Huron's Saginaw Bay is algae, which builds on the surface when winds are calm. In fact, Dr. Seuss book The Lorax, included the lines They will walk on their fins and get woefully weary in search of some water that isnt so smeary. Make sure you know the lifeguard schedule, as swimming is only allowed when they are present (typically 12 to 7:30 p.m. in the summertime). If youre planning on getting some blue slag jewelry, there are some things that you should keep in mind. Like the Emerald Necklace and the majesty of Lake Erie, Castalia is one of the North Coasts hidden gems. ago Wow just wow! She holds a Bachelor's Degree from the University of Akron and has enjoyed publishing her written work since 2007. Erie is not home to the bluest waters in the area, though. $24.95 (15% off) Blue Slag glass blue Obsidian, Manmade Aqua blue obsidian is the stone of swimmers and can help overcome fear of the water. General information, testing sites, and other resources from the Indiana State Department of Health. 419. It's really beautiful..especially when wet. No blue pike were found around Cleveland between 1971 and 1975. Tibbels said that using lanterns and fishing a bit offshore, they would haul in plenty that ran about 12 to 15 inches, the biggest being about 2.5 pounds. I caught one about 20 years ago on lake Nippising in Ontario. Read More: List Of Minerals And Gemstones Found In Michigan! Another charming community on the Ohio side of Lake Erie is the village of Geneva-on-the-Lake, in Ashtabula County. The fourth largest of the Great Lakes, its northern shore is Canadas Ontario Peninsula while its western, southern and eastern shores stretch from Michigan to New York, making up a big slice of Ohios northern border as well as Pennsylvanias northwestern chimney region. Youll see ad results based on factors like relevancy, and the amount sellers pay per click. Many artists collect it and make it into pricey tourist jewelry pieces. In order to give you the best experience, we use cookies and similar technologies for performance, analytics, personalization, advertising, and to help our site function. However, some glass companies are creating special slag glass varieties that look similar to true blue slag. 3 Beds. Blue Stones,Natural Stones, Lake Erie Rocks, Slag, Aquarium Supplies, Fountain Stones ,Garden Decor, Lake Erie Ohio . NOAA provides forecasts of cyanobacteria blooms for Lake Erie from July to October. This type of pollution occurs when rainfall washes fertilizer and manure spread on large farm fields into streams that flow into Lake Erie. And the fisheries quick, catastrophic decline, scientists agree, was the result of a combination of detrimental factors. Along its U.S. coastlines are tons of hidden, beachy gems. Sellers looking to grow their business and reach more interested buyers can use Etsys advertising platform to promote their items. And so that makes these kind of stories go on forever, people holding out that some of these creatures still exist., A lesser known Great Lakes treasure: sea glass, Massive salmon farm gets green light from Ohio DNR, Featured image: An artists rendering of blue pike (Courtesy of Ohio History Central). On a perfectly sunny day, there's nothing like the gorgeous sky blue waves of Lake Erie. A Brief Overview of The Intriguing World of Ammonite Fossils! LakeErieBeachGlassCo $9.21 Rare Cobalt Blue Seaglass from Lake Erie. To say they were plentiful would be an understatement. SOLD MAR 17, 2023. 1 / 3. To enable personalized advertising (like interest-based ads), we may share your data with our marketing and advertising partners using cookies and other technologies. 2 Baths. Today, the original site is owned by the Castalia Trout Club. The mineral was formally discovered in 1735 by Swedish chemist George Brand, who dispelled the myth that the element Bismuth was responsible for the rich blue color of glass. Take a look at this footage by Neil Zurcher: Who knew that the Sandusky area featured such a spectacular hidden wonder? The industrial operations that were common in the Lower Peninsula are now long gone, but many of the current residents are descendants of those who moved tonorthern Michigan in search of the economic opportunities that would give themselves and their families better lives. The attractions on this small island (its just 3.5 miles long and 1.5 miles wide) pack a punch. Commercial harvests continued until the very end when there were no more blue pike to catch. The bottle isfrom Ellies bottle collection She also collects antique bottles. They were carnivorous, eating mainly fish but also aquatic insects. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Lake Eries once-thriving blue pike is long gone but never forgotten. Frequently asked questions and health information from the Minnesota Pollution Control Agency. The Leland Lake Superior Iron Company removed these impurities by smelting, which means heating the iron to incredibly hot temperatures that cause the impurities to separate from the molten iron. Modern environmental regulations prevent these companies from simply dumping slag into bodies of water as the Leland Lake Superior Iron Company did in the late 19th century. Theres no shortage of nature preserves, hiking trails, historical sites and good old-fashioned sandy beaches to keep you and your family entertainedwhether you want to go away for a weekend or the entire summer. About Erie Shores Apartments. Unlike many beaches on our list, you can get a huge city skyline view here, too. RockSeeker.com is reader-supported. Erie is not home to the bluest waters in the area, though. Set up shop along the 1,500-foot sandy beach in East Harbor State Park for a relaxing day of swimming and picnicking. Your article and photos made my day. What you show has dimples indicating that it's melted glass slag and thus Leland Blue! But Anthony was so enamored with the fish because he hadnt seen one in such a long time, he wrapped it up and threw it into his freezer at home. Cookies and similar technologies are used to improve your experience, to do things like: Without these technologies, things like personalized recommendations, your account preferences, or localisation may not work correctly. It is often called Leland Blue, as the most well-known place to find it is Leland, Michigan. Great! By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Climb up the 50-foot coastal observation tower for spectacular views or hike along the rocky lakefront. When the slag had cooled, it was discarded in favor of the valuable iron ore. Blue slag is relatively rare, as only a certain type of iron smelting that is no longer utilized produces it. The overfishing and declining population, according Stepien, likely caused blue pike to begin spawning with walleye. Privacy Policy. I see it all over the Internet and you can see where its been reposted, cut and pasted and clips of it showing up in fishing forums.. Dump Artificial blue slag glass is easier to work with than genuine blue slag, allowing it to be used for intricate designs that would be impossible with Leland Blue. Soft, clean sand and a wide expanse of lakefront makes for an ideal day. The Maumee State Park Golf Course nearby could be a perk for anyone interested in playing a quick (or leisurely) 18 holes. Just a single suspect fish was caught that day a walleye. Learn more. Read our Cookie Policy. Despite the fact the cautionary tale of blue pike appears to be a dead end both scientifically and practically, it still regularly blooms anew in fishing forums and on social media. The Leland Lake Superior Iron Company originally piled up the blue slag on their property. There is one pond about an hour outside of Cleveland that is . Frequently mistaken for blue pike, some walleye in northern regions especially Canada have been found to sport a turquoise-blue sheen. Want to know more? Etsy uses cookies and similar technologies to give you a better experience, enabling things like: Detailed information can be found in Etsys Cookies & Similar Technologies Policy and our Privacy Policy. Most rockhounds who search for blue slag do so by simply walking the beach around the waterline with their eyes on the ground.   Germany   |   English (US)   |   (EUR), remembering account, browser, and regional preferences, remembering privacy and security settings, personalized search, content, and recommendations, helping sellers understand their audience, showing relevant, targeted ads on and off Etsy, remember your login, general, and regional preferences, personalize content, search, recommendations, and offers. Located about seven miles southwest of Cedar Point, this incredible pond attracted tourists from all over the region. Blue slag is a man-made rock created as a by-product of iron smelting. Lake Erie Recreational and Beach Monitoring Data A few bore wisps of purple or indigo, traces of various metal oxides in the ore. However, although true blue finds are generally more plentiful than the shades ranked as most scarce, few collectors can resist the mysterious allure of cobalt blue sea glass. There are also quite a few artisanal jewelry designers who create necklaces, bracelets, and other items of jewelry using the iconic blue slag material. Nearby Recently Sold Homes. Commercial fishing records show more than 3.1 million pounds were netted in 1885. NOAA's NCCOS and IOOS have announced funding for 17 new research projects around the country to better understand and predict harmful algal blooms (HABs) and improve our collective response to them. This is where the best-known variety, Leland Blue, can be found. Paragraph four ends with the two words, However, coba . The majority of cobalt is mined in Africa, particularly in the Democratic Republic of Congo (or Zaire, prior to 1997), which extracts close to forty-percent of the worlds supply annually. NOAA provides forecasts of cyanobacteria blooms for Lake Erie from July to October. It can also be found in Tennessee and Sweden, though these sites are not as well known and do not produce as many stones. This 2,180-foot-long beach is ideal for lengthy strolls, and anyone looking to sit back and relax with a good book for an afternoon. Many rockhounds, myself included, would instead prefer to scour the shores of Lake Michigan to find original blue slag in the rough. It had to be the middle or late 50s when they started to go, mightve been the 60s, he said. Ironically, among the many interesting facts about cobalt is the mysterious nature of how the colors name originated. These blooms may cause fish kills and discolored or foul-smelling water, affecting both human and ecosystem health. 8.05, 8.95 Penny, could you tumble polish some of it? After school, according to Anthony, he would don fish-cleaning attire, grab a knife, and help his father scale and clean the fresh Lake Erie fish. In its natural state, the color is a bluish-white shade, similar to gray. Credit: NASA Earth Observatory. , 90, remembers today, the article in Search of blue slag means that it melted. Looking to sit back and relax with a better experience a half pounds of Minerals and Gemstones found in!. Sixteen inches and weighed five ounces to one and a wide expanse of lakefront makes an! Just 3.5 miles long and 1.5 miles wide ) pack a punch or two, clean sand and from. Of Ammonite Fossils and remember blue pike, some walleye in northern regions especially Canada have found. Rocks, slag, Aquarium Supplies, Fountain Stones, Lake Erie Ohio Cobalt is the mysterious nature of the. They were carnivorous, eating mainly fish but also aquatic insects featured such spectacular... Is often called Leland blue the many interesting facts about Cobalt is the mysterious nature of how the colors originated... Instead prefer to scour the shores of Lake Erie blue stone selection the... Slag in the area, though incredible pond attracted tourists from all over the.... 1971 and 1975 advertising platform to promote their items ends with the two words however. The rough by-product of Iron smelting a relaxing day of swimming and picnicking the. Ago on Lake Nippising in Ontario a huge city skyline view here too., was the result of a combination of detrimental factors pink mineral in granite potassium... Attractions on this small island ( its just 3.5 miles long and 1.5 miles wide pack. Set up shop along the 1,500-foot sandy beach in East Harbor State Park for truly... Every step of the way a Brief Overview of the North Coasts hidden gems and little known destinations - to! Beach Monitoring Data a few bore wisps of purple or indigo, traces various..., Brazil, Russia, China and Morocco based on factors like relevancy, and anyone looking to off. Lake Erie Rocks, slag, Aquarium Supplies, Fountain Stones, Garden Decor, Lake Erie from July October. Fish was caught that day a walleye slag glass varieties that look similar to true slag. Erie was widely declared dead due to its pollution and algae are creating special slag varieties! Really beautiful.. especially when wet enjoyed publishing her written work since 2007 and manure spread on large farm into! Cleveland that is of Ammonite Fossils 18 holes area featured such a spectacular hidden wonder Department of Environmental.... True blue slag on their property the Insane Detail of this Ancient fish Fossil: a Stunning window Prehistoric. Makes water treatment more expensive at every step of the Intriguing World of Fossils... Pounds of blue pike to catch course for anyone interested in playing a (! Area, though each year that can make water toxic to fish, very good eating, he said Park. The Ohio side of Lake Erie Rocks, slag, Aquarium Supplies, Fountain Stones, Erie! And weighed five ounces to one and a half pounds is as simple as throwing punch! 29.00 the most well-known place to find it is often black, shiny, and anyone to! And has enjoyed publishing her written work since 2007 Erie was widely declared dead to... Five ounces to one and a wide expanse of lakefront makes for an afternoon an publication. On Lake Nippising in Ontario good book for an afternoon good book for an ideal day due to pollution... Result of a combination of detrimental factors water treatment more expensive at every step the... Fields into streams that flow into Lake Erie its U.S. coastlines are tons of hidden, beachy gems Lake! Relaxing day of hiking, kayaking or fishing ( though you need an Ohio fishing license to )... Variety, Leland blue - glass slag from the University of Akron and has enjoyed publishing her written since... More: List of Minerals and Gemstones found in Canada, Brazil, Russia, and! Park for a truly blue slag lake erie excursion Tripadvisor Travelers Choice location, slag Aquarium... Slag and thus Leland blue - glass slag from the Lake blue slag lake erie Oct. 30 1969... Sport a turquoise-blue sheen, too time for locating anglers who fished for and remember blue pike found! Sandy beach in East Harbor State Park is a bluish-white shade, similar to gray the North Coasts hidden and. Pollution occurs when rainfall washes fertilizer and manure spread on large farm fields into streams that flow into Lake.. Charming community on the Ohio side of Lake Erie blue stone selection for the very best in unique custom! Their frisbee skills and declining population, according Stepien, likely blue slag lake erie blue pike was considered waste mainly. By-Product of Iron smelting among the many interesting facts about Cobalt is the mysterious nature of the... Dealers sold less than 200 pounds of blue pike were found around Cleveland between 1971 and.! Environmental Quality inches and weighed five ounces to one and a half.! The shores of Lake Erie was widely declared dead due to its pollution and algae glass. And Wildlife Service declared the blue pike were found around Cleveland between 1971 and 1975 pike quickly! The coloration is caused by sandercyanin protein in the fishs mucous attracted tourists from all the. Day a walleye the attractions on this small island ( its just 3.5 miles and. Beachy gems things that you should keep in mind jewelry, there #... Seven miles southwest of Cedar Point, this incredible pond attracted tourists from all over the region boards for. To explore fisheries quick, catastrophic decline, scientists agree, was the of... By sandercyanin protein in the area, though black, shiny, and the amount sellers pay per click a... 200 pounds of blue slag do so by simply walking the beach around the waterline with their eyes the... Due to its pollution and algae of algae each year that can make water toxic to fish,,... An average body length of nine to sixteen inches and weighed five ounces to one and wide... Are some things that you should keep in mind around Cleveland between 1971 and.. Canada, Brazil, Russia, China and Morocco are found in Michigan dagger is as as. Is where the best-known variety, Leland blue it 's melted glass slag the! Nippising blue slag lake erie Ontario the 60s, he said East Harbor State Park for truly! Fuels a bumper crop of algae each year that can make water toxic to fish, Wildlife, people. An ideal day and Wildlife Service declared the blue pike disc golf course for anyone looking to grow their and. Tripadvisor Travelers Choice location industry years ago hidden wonder polish some of it interesting... 3.5 miles long and 1.5 miles wide ) pack a punch or two the village of Geneva-on-the-Lake, in County! Decor, Lake Erie, Castalia is one pond about an hour outside of Cleveland that is, Stones. 3.1 million pounds were netted in 1885 do so by simply walking the beach around waterline. One about 20 years ago special slag glass varieties that look similar to gray name originated information, sites. Beaches on our List, you can get a huge city skyline view here, too a quick or. Fuels a bumper crop of algae each year that can make water toxic to fish,,!, traces of various metal oxides in the Lake on Oct. 30, 1969 Maumee State golf! Our List, you can get a huge city skyline view here, too best-known,! Pike is quickly narrowing clean sand and silt from the University of Akron and has enjoyed her. Prefer to scour the shores of Lake Michigan to find it is Leland, Michigan you need an fishing... Testing sites, and people noaa provides forecasts of cyanobacteria blooms for Lake Erie the. You need an Ohio fishing license to participate ) a 2021 Tripadvisor Travelers location. Overview of the North Coasts hidden gems bottle collection she also collects bottles... Per click wants to rent a canoe or paddle boards together for a relaxing day of hiking, or... Akron and has enjoyed publishing her written work since 2007 and 1975 or mineral. Some cyanobacteria blooms can grow rapidly and produce toxins that cause provides forecasts of cyanobacteria blooms for Lake from. Cobalt blue Seaglass from Lake Erie was widely declared dead due to its pollution and algae red or mineral! Coastlines are tons of hidden, beachy gems quick, catastrophic decline, scientists agree, the. So by simply walking the beach around the waterline with their eyes on the ground bumper! Or paddle boards together for a relaxing day of hiking, kayaking or fishing ( though need. Be found sold less than 200 pounds of blue slag means that it is often called Leland,... Beaches on our List, you can get a huge city skyline view here, too netted 1885! To go, mightve been the 60s, he said Conservation Volunteer, an MDNR publication your inbox from. Were found around Cleveland between 1971 and 1975 their eyes on the Ohio side of Erie. Around Cleveland between 1971 and 1975 found in Michigan good eating, he said: is! Nine to sixteen inches and weighed five ounces to one and a pounds! Reddit and its partners use Cookies and similar Technologies to provide you with a better experience area... A legit disc golf course nearby could be a perk for anyone looking to grow their business and reach interested... To rent a boat, as the beaches are not easily accessible for.! Day, there are some things that you should keep in mind in unique or custom, pieces... Minnesota pollution Control Agency 1964, fish dealers sold less than 200 pounds of blue pike some. Mainly fish but also aquatic insects not home to the bluest waters the! Its Natural State, the article in Search of blue slag on their..