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Geological Mapping

 Subject
Subject Source: Library of Congress Subject Headings
Scope Note: Created For = NAHSTE

Found in 1 Collection or Record:

Map of the Sources of the Snake River, c1879

 Item
Identifier: Coll-74/6/8
Scope and Contents Map of the Sources of the Snake River, with its tributaries together with portions of the headwaters of Madison and Yellowstone, surveyed by the Snake River Expedition (Gustavus R Bechler, chief topographer and Frank H Bradley, geologist) of the United States Geological Survey of the Territories.