National Speleological Society
Recommended Caving Gear (Mother Lode Grotto)
Lava Beds National Monument
Western Cave Conservancy
California Cave Survey
Cave Research Foundation
Area Geology
William (Bill) Hirt – Cascade/Klamath Area
USGS Field Trip Guides
Medicine Lake Geologic Map
USFS Pubs

Surveying
Survey Sheets | Grid Only
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NSS Pub: A Guide to Cave Mapping
Cave Mapping Symbols | Single Page