Geological Survey (U.S.) & Texas Board of Water Engineers. (1943). Grimes County, Texas: Records of wells and springs, drillers' logs, water analyses, and map showing locations of wells and springs. Texas State Board of Water Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Geological Survey (U.S.) και Texas Board of Water Engineers. Grimes County, Texas: Records of Wells and Springs, Drillers' Logs, Water Analyses, and Map Showing Locations of Wells and Springs. [Austin, Tex.]: Texas State Board of Water Engineers, 1943.
Παραπομπή σε μορφή MLA (8th εκδ.)Geological Survey (U.S.) και Texas Board of Water Engineers. Grimes County, Texas: Records of Wells and Springs, Drillers' Logs, Water Analyses, and Map Showing Locations of Wells and Springs. Texas State Board of Water Engineers, 1943.