References
- Bartenbach , Jean . 1977 . Rockhound trails , New York : Atheneum .
- Brown , Mary L.T. 1971 . Gems for the taking: Mine your own treasure , New York : Collier Books .
- Conn , Herb and Conn , Jan. 1977 . The Jewel Cave adventure , Teaneck , NJ : Zephyrus Press, Inc .
- Copeland , Charles. W. , ed. Geology of the Alabama Coastal Plain . Guidebook for the 60th annual meeting of the Association of American State Geologists . May 6–8 1968 , Tuscaloosa . Alabama State Geologist .
- de Sluse , René François . 1668 . The abyss of time , San Francisco : Freeman, Cooper and Company . Quoted in Claude C. Albritton, Jr., 1980
- Finks , Robert. M. , ed. New York State Geological Association guidebook to field excursions . 40th annual meeting . Albany , NY : Queens College . (Can be obtained from the Department of Geology, State University College, Brockport, NY.)
- Hansen , Michael C. 1975 . Geology of the Hocking Hills State Park region , Guidebook no. 4 Columbus , OH : DNR .
- Hatcher , Robert D. Jr. 1976 . Introduction to the geology of the Eastern Blue Ridge of the Carolinas and nearby Georgia , Columbia , SC : Division of Geology . Field trip guidebook
- Holland , F. D. Jr. 1957 . Guidebook for geologic field trip in the Williston area, North Dakota , Miscellaneous series no. 6 Grand Forks : North Dakota Geological Survey .
- Kisvarsanyi , Eva B. , Hebrank , Arthur W. and Ryan , Richard F. 1981 . Guidebook to the geology and ore deposits of the St. Francois Mountains, Missouri , Rolla : The Geological Survey . Report of investigations no. 67
- Korosec , Michael A. , Rigby , James G. and Stoffel , Keith L. 1980 . The 1980 eruption of Mt. St. Helens, March 20-May 19, 1980 , Circular no. 71 Olympia , WA DNR (free).
- Lasmanis , Raymond . Telephone conversation with author. February 1983. As of February 1983, over 12,000 sets of these slides had been sold.
- Leveson , David . 1971 . A sense of the Earth , Garden City , NY : The Natural History Press . For the American Museum of Natural History
- McPhee , John . 1981 . Basin and range , New York : Farrar, Straus & Giroux .
- Miller , Marvin R. 1980 . Guidebook of the Drummond-Elkhorn areas, West-Central Montana , Butte : Bureau of Mines and Geology .
- The Pennsylvania Geological Survey. Earth science field trip guide, Swatara Gap , Lebanon County , Harrisburg : Author . n.d.(A handy guide, Fossil collecting in Pennsylvania [Bulletin G-40], may be obtained for 50 cents from the Department of Property and Supplies, Bureau of Publications, P.O. Box 1365, Harrisburg, PA 17125)
- Prior , Jean C. 1982 . Landscapes of the Loess Hills Wildlife Area and vicinity , Iowa City , IA : State Geological Survey . Loess Hills Prairie Seminar, May 14–16, 1982
- Ramette , R. W. 1980 . Exocharmic reactions . Journal of Chemical Education , 57 ( no. 1 ) : 68 – 69 .
- Reinertsen , David L. 1979 . A guide to the geology of the Westfield-Casey area—Clark, Coles, Cumberland Counties, Illinois , Urbana , IL : Illinois State Geological Survey . Field trip guide leaflet 1979A
- Reinertsen , David L. 1980 . A guide to the geology of the Quincy North Area , Urbana , IL : Illinois Institute of Natural Resources . Field trip guide leaflet 1980D
- Reinertsen , David L. 1981 . A guide to the geology of the Danville area , Champaign , IL : Illinois Institute of Natural Resources . Field trip guide leaflet 1981B, May 16, 1981
- Reinertsen , David L. , Hansel , Ardith K. and Norby , Rodney D. 1981 . A guide to the geology of the Zion–Lake Bluff area , Champaign , IL : Illinois Institute of Natural Resources . Field trip guide leaflet 1981C
- Scott , Sir Walter . 1923 . St. Ronan' Well , Vol. 1 , Boston : Houghton Mifflin .
- Sinnotte , Stephen . 1969 . The fabulous Keokuk geodes , Vol. 1 , Des Moines : Wallace Homestead Co .
- Thacker , Joseph L. and Satterfield , Ira R. 1977 . Guidebook to the geology along Interstate 55 in Missouri , Rolla : Geological Survey . Report of Investigations no. 62
- Trippet , A. R. and Garner , L. E. 1976 . Guide to points of Geologic Interest in Austin , Guidebook no. 16 Austin , TX : Bureau of Economic Geology, The University of Texas at Austin .
- White , I. C. 1972 . Edited by: Arkle , Thomas. Jr. Guidebook : I. C. White Memorial Symposium Field Trip . September 21–29, 1972. Morgantown, WV: West Virginia Geological Survey. (This is a particularly fine guidebook.)
- Wordsworth , William . 1968 . A guide through the district of the lakes in the north of England, with a description of the scenery, etc., for the use of tourists and residents , New York : Greenwood Press .