{"product_id":"earthquake-lake-map-combo-constellation-services-map","title":"Earthquake Lake Map Combo","description":"In 1959 an earthquake sent 80 million tons of rock into the narrow Madison River canyon resulting in the formation of Earthquake Lake.  The new lake is just below Hebgen Lake.  Rainbows and Brown Trout are common targets on this interesting body of water.   Marks Lake Maps captured the depths with GPS and Sonar to create this standard depth contour map overlaid on terrestrial base map with local topography.  Plus  this combo includes a contours over heat map image map for quick reading of depth and fish habitat.\r\n\r\nWatch for bears, moose, elk, deer and abundant bird life as you fish amongst the ghostly remnants of the flooded forest.","brand":"Constellation Services","offers":[{"title":"Default Title","offer_id":44950628139164,"sku":"1703028","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0441\/7850\/5884\/files\/20250429184322-constellation-services-earthquake-lake-map-combo-bundle-1703028-preview-0_e710ffbd-dc16-48bd-9b11-3a4d59fa742f.jpg?v=1746112891","url":"https:\/\/store.avenza.com\/products\/earthquake-lake-map-combo-constellation-services-map","provider":"Avenza Maps","version":"1.0","type":"link"}