Report 87 by Donald K. Leifeste, U.S. Geological Survey | December 1968

note: the oversized fold out maps and figures below were scanned separately from the body of the report above, so "missing pages" are these figures.

• Report 87 - Reconnaissance of the Chemical Quality of Surface Waters of the Sulphur River and Cypress Creek Basins, Texas
• figure 2 - Precipitation and Runoff
• figure 4 - Major Reservoirs and Potential Damsites
• figure 5 - Geology and Chemical Composition of Surface Water
• figure 10 - Oil Fields and Location of Streamflow and Chemical-Quality Data-Collection Sites
• figure 11 - Dissolved-Solids Concentration of Surface Water
• figure 12 - Chloride Concentration of Surface Water
• figure 13 - Hardness of Surface Water