pubs.geoscienceworld.org
GeoScienceWorld
https://pubs.geoscienceworld.org › hess
pubs.geoscienceworld.org
GeoScienceWorld
https://pubs.geoscienceworld.org › hess
britannica.com
americangeosciences.org
American Geosciences Institute
https://www.americangeosciences.org › society › history-earth-sciences-society
sciencedirect.com
usgs.gov
ocw.mit.edu
lyellcollection.org
Lyell Collection
https://www.lyellcollection.org › doi › 10.1144 › SP442.41
geo.libretexts.org
libguides.mines.edu
Library Guides at Colorado School of Mines
https://libguides.mines.edu › HistoryGeologicConcepts
britannica.com
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