Geology

Bartleby.com: Sir Charles Lyell
Includes etexts of scientific papers, "The Progress of Geology" and "Uniformity of Change".
http://www.bartleby.com/people/Lyell-Si.html

Cofrhigeorama
Provides historical information on geology, mineralogy, petrology and other Earth sciences. In French and English.
http://babouchka.net/veneux/cofrhigeo/

The Great Devonian Controversy
A review of the book by Martin Rudwick about this 19th century geological controversy.
http://www.friesian.com/rudwick.htm

GSA History of Geology Division
Web site includes organization information, as well as several papers on important geologists and their work.
http://gsahist.org/

HESS: History of the Earth Sciences Society
International society devoted to the history of earth sciences. Site has information about the organization and its journal, Earth Sciences History.
http://historyearthscience.org/

Lord Kelvin and the Age of the Earth
Mathematical details of Lord Kelvin's young earth calculation, from a course in applied fourier analysis. In PDF format. [PDF]
http://www.me.rochester.edu/courses/ME201/webexamp/kelvin.pdf

No Stone Unturned: The First 150 years of the Geological Survey of Canada
Describes the approval of the geological survey department, which was originally created to find coal ore and later for map making. Page describes the later success in finding other sources of minerals. Local animal and plants species were also recorded.
http://gsc.nrcan.gc.ca/hist/150_e.php

Out of Print Geology Books for sale
Also including books on paleontology, mineralogy, mining, explorations, early surveys, volcanology, seismology and meteoritics.
http://geology-books.com/newcatalog.html