Report 25 by J.T. Smith, J.H. Montgomery, and J.F. Blakey U.S. Geological Survey | August 1966
- Report 25 - Base-Flow Studies Little Cypress Creek Upshur, Gregg, and Harrison Counties, Texas - Quantity and Quality, January and June 1964
- plate 1 - Water Discharge, Chemical Quality, and Streambed Material Little Cypress Creek Watershed, June 10-13, 1964
- figure 3 - Generalized geologic Map of Little Cypress Creek Watershed, Showing Distribution of Geologic Units and Structures