| Type |
Originator |
Title |
Date |
|---|
 |
National Geographic | |
|
 |
Kunath,C.E | 50 years of Texas Caving |
2007 |
|
Halliday,W.R | American Caves and Caving |
1974 |
|
Halliday,W.R | American Caves and Caving |
1974 |
|
Borden,J.D & Brucker,R | Beyond Mammoth cave |
2000 |
|
Nymeyer,R & Halliday,W.R | Carlsbad Cavern The Early Years |
1991 |
|
Nymeyer,R | Carlsbad Caves and a Camera |
|
|
Nymeyer,R | Carlsbad Caves and a Camera |
1978 |
|
Cave Research Associates | Cave Notes |
|
|
McGill,W.M | Caverns of Virginia |
1933 |
|
Davies,W.E | Caverns of West Virginia |
1965 |
|
Davies,W.E | Caverns of West Virginia |
1949 |
|
Burnham,R (ed) | Caves Cliffs and Canyons |
2000 |
|
Cave Research Associates | Caves and Karst |
|
|
Palmer,A.N & M. V | Caves and Karst of the USA |
2009 |
|
Powell,R.L | Caves of Indiana |
1961 |
|
Bretz,J.H | Caves of Missouri |
1956 |
|
Douglas,H.D | Caves of Virginia |
1964 |
|
Hovey,H.C | Celebrated American Caverns |
1970 |
|
Mohr,C.E & Sloane,H.N | Celebrated American Caves |
1955 |
|
Crowell,H. C | Coal Dust and Cave Mud |
2012 |
|
D.C. Grotto | D.C. Speleograph |
|
|
Fish,L, Burger,P & Kambesis,P | Deep secrets |
1999 |
|
Diablo Grotto | Devils Advocate |
|
|
Cwmbran Caving Club | Expedition report |
|
 |
National Geographic Magazine | Exploring America Underground |
1964 |
|
Folsom,F | Exploring American Caves |
1962 |
|
Folsom,F | Exploring American Caves |
1956 |
|
Wells,S | Field Guide-Albuquerque to Carlsbad Caverns National Park |
1981 |
|
Dogwood City Grotto | Georgia Underground |
|
|
Palmer,A.N | Guide Book to The Historical Section of Mammoth Cave |
1981 |
|
Gurnee,R & J | Gurnee Guide to American Caves |
1990 |
|
Blatchley,W.S | Indiana Department of Geology and Natural Resources |
1896 |
|
| Journal of Cave & Karst Studies NSS |
|
|
| Karst Field Studies at Mammoth Cave,1989 |
1989 |
|
Taylor,M.R | Lechuguilla |
1991 |
|
National Geographic Magazine | Lechuguilla Cave |
1991 |
|
National Geographic Magazine | Lechuguilla Cave |
March 1991 |
|
Weaver,H.D | Meramec Caverns |
1977 |
|
National Speleological Society | NSS Bulletin |
|
|
National Speleological Society | NSS News |
|
|
Lechuguilla Exploration and Research Network | Network News |
|
|
Perry,C | New England's Buried Treasure |
1946 |
|
National Speleological Society | Occasional Papers |
|
|
American Philosophical Society (Trans.XV,pp.351-368) | On the contents of a rock retreat in south eastern Pennsylvania |
1881 |
|
| Palaces Under The Earth |
1951 |
|
Tennessee Central Basin Grotto | Passages |
|
|
Coon,Carleton S | Seven Caves |
1957 |
|
National Speleological Society | Speleo Digest |
|
|
Speleonics | Speleonics |
|
|
Balfour,W.M | Sum.of Res.& Descrip.of Caves & Karst of Greenbrier Vall., W.Virg. |
1981 |
|
Texas Cave Survey | Texas Cave Survey |
|
|
Pittman,Blair | Texas Caves |
1999 |
|
Bexar Grotto San Antonio | The Bexar Facts |
|
|
Lawrence,J & Brucker,R.W | The Caves Beyond |
1955 |
|
Lawrence,J & Brucker,Roger W | The Caves Beyond |
1975 |
|
Davies,W.E | The Caves of Maryland |
1950 |
|
Atlanta Georgia Grotto | The Georgia Spelunker |
|
|
Brucker,R.W & Watson,R.A | The Longest Cave |
1976 |
|
Tompkins,E.P & Davis,J.I.L | The Natural Bridge & its Historical Surroundings |
1939 |
|
Texas Cave Report Series (No 1) | The River Styx-Salt Spring Cave System |
1976 |
|
Mills,M.T | The Subterranean Wonders of Hawaii |
1979 |
|
Weaver,H.D | The Wilderness Underground |
1992 |
|
Gurnee,R. H | The discovery of luray caverns Virginia |
1978 |
|
Conn,H & J | The jewel cave adventure - 50 miles of discovery under S. Dakota |
1981 |
|
Watson,R. A (ed) | The suckers visit to the Mammoth Cave |
1970 |
|
Sloane,H. N & Gurnee,R. H | Visiting American Caves |
1966 |
|
Murray State Univ.Kentucky | Western Kentucky Speleological Survey Annual Report 1979 |
1979 |
|
Jackson,G. F | Wyandotte cave |
1953 |
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