1931/01/01 by Herbert E. Gregory, Raymond C. Moore · 127 citations
Social Sciences · Agricultural and Biological Sciences · Environmental Science · #Archaeology and Natural History #Botany, Ecology, and Taxonomy Studies #Rangeland and Wildlife Management #Geography #Geology #Archaeology #Cartography #Physical geography #Mining engineering
paper · pdf · doi:10.3133/pp164
published in USGS professional paper (United States Government Publishing Office)
openalex publication_date 1931/01/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/14
From introduction: The purposes of this exploration are to determine routes, to locate water holes, and to select areas where detailed geologic study could profitably be undertaken.