|
Geologic map of the Center Point quadrangle, Texas |
2004 |
|
Collins, E.W. |
Open-File Map |
Bureau of Economic Geology |
|
Geologic map of the Echo Hill Ranch quadrangle, Texas |
2004 |
|
Collins, E.W. |
Open-File Map |
Bureau of Economic Geology |
|
Geologic map of the Fall Creek quadrangle, Texas |
2004 |
|
Collins, E.W. |
Open-File Map |
Bureau of Economic Geology |
|
Geologic map of the Hunt quadrangle, Texas |
2004 |
|
Collins, E.W. |
Open-File Map |
Bureau of Economic Geology |
|
Geologic map of the Seymour aquifer deposits, Vernon, Texas 30x60 minute quadrangle, Texas |
2003 |
|
Collins, E.W. |
Open-File Map |
Bureau of Economic Geology |
|
Time, Land, Barton Creek-- An Excursion to Shield Ranch, Travis and Hays Counties, Texas |
2003 |
|
Woodruff, C.M., Jr., Collins, E.W. |
Austin Geological Society |
Austin Geological Society |
|
Geologic map of the Driftwood quadrangle, Texas |
2002 |
|
Collins, E.W. |
Open-File Map |
Bureau of Economic Geology |
|
Geologic map of the Crabapple Creek quadrangle, Texas |
2002 |
|
Collins, E.W. |
Open-File Map |
Bureau of Economic Geology |
|
Geologic map of the Dripping Springs quadrangle, Texas |
2002 |
|
Collins, E.W. |
Open-File Map |
Bureau of Economic Geology |
|
Geologic map of the Rafter Hollow quadrangle, Texas |
2002 |
|
Collins, E.W. |
Open-File Map |
Bureau of Economic Geology |