Chester Wells Purington—USGS—Arrangement of talus in a basin in the San Juan Mountains, Colorado.
William John McGee†—Bureau of Ethnology—Desert erosion.
Grove Karl Gilbert†—USGS—Dimensions of the Niagara gorge and their relations to the history of the glacial lakes.
Nelson Horatio Darton† and Joseph Alexander Taff—USGS—The Piedmont Folio.
† GSW Founder
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