USGS professional paper · 1938 · 66 citations · 0 references
Natural SciencesEarth SciencesGeologyGeomorphologyHistorical GeographyMountain GeographyRegional Historical GeographyGeomorphic MappingReconnaissanceRegional GeologyRiver History
From abstract: The San Juan country includes an area of about 3,800 square miles east of the Colorado River in San Juan County, southeastern Utah. This paper is based on reconnaissance geographic and geologic surveys made in 1910, 1915, 1925, and 1927-29.