Murtle Lake lies inside Wells Gray Provincial Park in east-central British Columbia, about 27 kilometers from the community of Blue River. BC Parks describes it as North America’s largest canoe-only lake. Its north and west arms are each about 20 kilometers long and the lake averages roughly 3 kilometers wide. A provincial bathymetric survey gives…
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Oroville Dam in Northern California is the highest, or tallest, dam in the United States when dams are compared by structural height. The earth-fill embankment rises 770 feet from its foundation to its crest. It crosses the Feather River near the city of Oroville and impounds Lake Oroville, the largest reservoir in California’s State Water…
Grand Lake is the deepest natural lake in Colorado. Northern Water, the regional agency that operates the connected Colorado-Big Thompson system, gives its maximum depth as 265 feet. A U.S. Geological Survey inventory published an approximate depth of 250 feet, while 389 feet appears in many secondary references. The official figures therefore conflict and no…
The Lake Michigan watershed is all the land where surface water drains toward Lake Michigan through streams, rivers, wetlands or direct runoff. It reaches into Michigan, Wisconsin, Indiana and Illinois. Its boundary follows high ground between neighboring drainage systems, so it does not match state or county lines and includes much more than the immediate…
