{"product_id":"1849-geological-survey-map-of-isle-royale-lake-superior-michigan-antique-mineral-and-copper-mining-chart","title":"1849 Geological Survey Map of Isle Royale, Lake Superior, Michigan – Antique Mineral and Copper Mining Chart","description":"\u003cp class=\"p1\"\u003e\u003cb\u003eThis stunning 1849 geological map of Isle Royale, located in Lake Superior, Michigan, presents an incredibly detailed depiction of the island’s topographical and mineral features. Originally created as part of an extensive geological survey, it highlights copper-rich mineral lands, mining sites, and key geological formations. The intricate linework and color coding differentiate rock types, while annotations mark abandoned mining operations and mineral deposits. Additionally, depth soundings taken from Captain Bayfield’s survey provide insight into the underwater landscape surrounding the island, making this a fascinating resource for historians and geologists alike.\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eDuring the mid-19th century, Isle Royale was a major site for mineral exploration, particularly in the search for copper. This map represents a time of early scientific efforts to understand the area’s geology and resources. The craftsmanship of this cartographic piece showcases the meticulous surveying skills of the time. The soft, aged hues and fine engravings make it not only a useful historical document but also a visually striking piece of art.\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003ePrinted on high-quality matte paper, this map is a perfect gift for geologists, historians, nature lovers, or anyone with an appreciation for the Great Lakes region. It serves as a fantastic decorative piece for offices, studies, or educational settings, bringing both aesthetic beauty and historical intrigue to any space.\u003c\/b\u003e\u003c\/p\u003e","brand":"TheMapVault","offers":[{"title":"16x20 inch - UNFRAMED","offer_id":53435490271563,"sku":"0731-16x20","price":35.0,"currency_code":"USD","in_stock":true},{"title":"A2 (42x60cm) - UNFRAMED","offer_id":53435490304331,"sku":"0731-A2","price":35.0,"currency_code":"USD","in_stock":true},{"title":"18x24 inch - UNFRAMED","offer_id":53435490337099,"sku":"0731-18x24","price":35.0,"currency_code":"USD","in_stock":true},{"title":"50x70 cm - UNFRAMED","offer_id":53435490369867,"sku":"0731-50x70","price":42.0,"currency_code":"USD","in_stock":true},{"title":"A1 (60x84cm) - UNFRAMED","offer_id":53435490402635,"sku":"0731-A1","price":55.0,"currency_code":"USD","in_stock":true},{"title":"24x32 inch - UNFRAMED","offer_id":53435490468171,"sku":"0731-24x32","price":55.0,"currency_code":"USD","in_stock":true},{"title":"70x100 cm - UNFRAMED","offer_id":53435490500939,"sku":"0731-70x100","price":69.0,"currency_code":"USD","in_stock":true},{"title":"75x100 cm - UNFRAMED","offer_id":53435490533707,"sku":"0731-75x100","price":69.0,"currency_code":"USD","in_stock":true},{"title":"A0 (84x119cm) - UNFRAMED","offer_id":53435490566475,"sku":"0731-A0","price":76.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0907\/2456\/5323\/files\/1849MapofIsleRoyaleLakeSuperiorMichiganNORDLY-DH1-34.jpg?v=1739381565","url":"https:\/\/www.themapvault.com\/en-us\/products\/1849-geological-survey-map-of-isle-royale-lake-superior-michigan-antique-mineral-and-copper-mining-chart","provider":"TheMapVault","version":"1.0","type":"link"}