Browse the USGS Publication Warehouse
Publications for publication type Report and publication subtype USGS Numbered Series
- Some structural features of the Northern Anthracite coal basin, Pennsylvania, 1940, Professional Paper 193 D
- The gold quartz veins of Grass Valley, California, 1940, Professional Paper 194
- Geology of the Kettleman Hills oil field, California: Stratigraphy, paleontology, and structure, 1940, Professional Paper 195