3
|
|
Geological surveys -- Methodology. / https://id.loc.gov/authorities/subjects/sh85054033 https://id.loc.gov/authorities/subjects/sh99001902
|
2000
|
1
|
4
|
|
Geological surveys -- Texas -- History. / https://id.loc.gov/authorities/subjects/sh85054033 https://id.loc.gov/authorities/names/n80129616-781 https://id.loc.gov/authorities/subjects/sh99005024 : Ferguson, W. Keene
|
2014
|
1
|
5
|
|
Geological surveys -- United States. / https://id.loc.gov/authorities/subjects/sh85054081 : National Research Council (U.S.).
|
1932
|
1
|
6
|
|
Geological surveys -- United States -- History -- 19th century. / https://id.loc.gov/authorities/subjects/sh85054081 https://id.loc.gov/authorities/subjects/sh2002006167 : Warren, Leonard,
|
2009
|
1
|