E. P. Rothrock

1889 – 1977

• Geology of Cimarron county, Oklahoma
• Some descendants of Johann George Rothrock, 1721-1806
• A geology of South Dakota
• A hydrologic study of the White River Valley
• A preliminary report on the chalk of eastern South Dakota
• A quarter century of mineral production
• A shallow water supply for Huron, South Dakota
• Geology and water resources of Day County, South Dakota
• Geology of the Crow Creek dam site
• Geology of the Missouri Valley and vicinity near Mobridge
• Ground water fluctuations in eastern South Dakota
• Ground water reservoirs near Aberdeen, South Dakota