Number 15 - December 1953

Cover

Preface

Caves of Pennsylvania Special Issue
Ralph W. Stone

Article
Geology of Pennsylvania Caves
William E. Davies

Article
Bone Caves in Pennsylvania
John Dyas Parker

Article
Animals the Live in Pennsylvania Caves
Charles E. Mohr

Article
Cave Insects
S.W. Frost

Article
History and Legends of Central Pennsylvania Caves
Henry W. Shoemaker

Article
Kooken-Pennsylvania's Toughest Cave
William Devitt, III

Article
Deluge Underground
Donald R. Griffin

Article
Limestone Mines
Ralph W. Stone

Article
Commercial Caves of Pennsylvania
Ralph W. Stone

Article
Descriptions of Pennsylvania's Undeveloped Caves
Ralph W. Stone

Article
Descriptions of Pennsylvania's Undeveloped Caves
Ralph W. Stone

Authors

List of Maps

Acknowledgments

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Abstracts were not provided for any articles in this year.