USGS · mr15
Lead in the United States, exclusive of Alaska and Hawaii
Abstract
The productive lead districts in the United States (exclusive of Alaska and Hawaii) are shown on the accompanying map. The map is at a scale of 1: 3,168,000, (50 miles to the inch). Only those districts known or believed to contain 1,000 short tons or more of lead are shown; individual deposits within districts are not represented.
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Edwin Thor McKnight, Allen Van Heyl, William Louis Newman. 1962. Lead in the United States, exclusive of Alaska and Hawaii. https://doi.org/10.3133/mr15
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