Report 93 by Jack Rawson, U.S. Geological Survey | April 1969

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 93 - Reconnaissance of the Chemical Quality of Surface Waters of the San Antonio River Basin, Texas
• figure 2 - Mean Annual Precipitation and Annual and Average Monthly Precipitation
• figure 3 - Geologic Map and Chemical Composition of Surface Water\
• figure 8 - Location of Chemical-Quality and Data-Collection Sites, Major Reservoirs, and Potential Damsites
• figure 9 - Chemical Quality of Surface Water