Shelby County, Texas : records of wells and springs, drillers' logs, and water analyses, and map showing location of wells and springs
Geological Survey (U.S.)
United States. Work Projects Administration
Texas Board of Water Engineers
Map of Shelby County, Texas, showing locations of water wells listed. Analyses made, data assembled and report mimeographed by Works Progress Administration Project 6507-5112. "Sponsored by the State Board of Water Engineers with the Bureau of Industrial Chemistry of The University of Texas and the United States Department of the Interior, Geological Survey, cooperating."