Call Number (LC) Title Results
I 19.13:2132 Surface water supply of the United States, 1966-70. 1
I 19.13:2133 Surface water supply of the United States, 1966-70. 1
I 19.13:2134 Surface water supply of the United States, 1966-70. 1
I 19.13:2135 Surface water supply of the United States, 1966-70. 1
I 19.13:2136 Surface water supply of the United States, 1966-70. 1
I 19.13:2137 Surface water supply of the United States, 1966-70. 1
I 19.13:2141 Quality of surface waters of the United States, 1969. 1
I 19.13:2142 Quality of surface waters of the United States, 1969. 1
I 19.13:2143 Quality of surface waters of the United States, 1969. 1
I 19.13:2144 Quality of surface waters of the United States, 1969. 1
I 19.13:2145 Quality of surface waters of the United States, 1969. 1
I 19.13:2146 Quality of surface waters of the United States, 1969. 1
I 19.13:2147 Quality of surface waters of the United States, 1969. 1
I 19.13:2148 Quality of surface waters of the United States, 1969. 1
I 19.13:2149 Quality of surface waters of the United States, 1969. 1
I 19.13:2150 Quality of surface waters of the United States, 1969. 1
I 19.13:2151 Quality of surface waters of the United States, 1970. 1
I 19.13:2152 Quality of surface waters of the United States, 1970. 1
I 19.13:2153 Quality of surface waters of the United States, 1970. 1
I 19.13:2154 Quality of surface waters of the United States, 1970. 1