The River Styx, Salt Spring Cave system
By: edited by John Graves, John Walsh.
Contributors: Graves, John, 1920-; Walsh, John, 1947-
Series: Texas cave report series ; no. 1
Publisher: Texas Cave Report Series
Published: 1976
Place of publication: San Antonio
Language: eng
Number of pages: 38
Subjects: Styx River Cave, Tex.; Salt Spring Cave, Tex.
Notes: Bibliography: p. 35-38.