-
41
-
42
-
43
-
44Published 1980Government Document Book
-
45Source areas of salinity and trends of salt loads in streamflow in the upper Colorado River, Texas /by Rawson, Jack
Published 1982Government Document Book -
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58Published 1986Government Document Map
-
59
-
60