Reconnaissance map of Yukon-Koyukuk region, Alaska / U.S. Geological Survey; Alfred H. Brooks, geologist in charge of division, topography by H.M. Eakin [et al].
15821777
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Beinecke Rare Book and Manuscript Library > Reconnaissance map of Yukon-Koyukuk region, Alaska / U.S. Geological Survey; Alfred H. Brooks, geologist in charge of division, topography by H.M. Eakin [et al].