1.
|
Denver, CO : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-3 |
|
2.
|
Denver, CO : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-7 |
|
3.
|
Denver, CO : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-58 |
|
4.
|
Denver, CO : U.S. Dept. of the Interior, Geological Survey : Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-4 |
|
5.
|
Denver, CO : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-5 |
|
6.
|
Denver, CO : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-8 |
|
7.
|
Denver, CO : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-22 |
|
8.
|
Denver, CO : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-20 |
|