1. Geologic map of the Powder Mill Ferry quadrangle, Shannon and Reynolds counties, Missouri Author/Creator: McDowell, Robert C., 1935- Publication/Creation: Denver, Colorado : United States Geological Survey, Information Services, 2000 Resource Type: Map Access & Availability: Loading
2. Structural and stratigraphic framework of the Giles County area, a part of the Appalachian Basin of Virginia and West Virginia Author/Creator: McDowell, Robert C., 1935- Publication/Creation: [Reston, Va.] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey [distributor], 1990 Resource Type: Book Access & Availability: Loading
3. Stratigraphy of the Silurian outcrop belt on the east side of the Cincinnati Arch in Kentucky : with revisions in the nomenclature Author/Creator: McDowell, Robert C., 1935- Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, Geological Survey, 1983 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1151 A-G. Access & Availability: Loading