Mapping Caves: Survey and Exploration — Survey Down

ESA - 3D cave mapping

Cave Maps - Mendip Caving Group Commission, UK

West Virginia Association for Cave Studies – Cave Exploration

The Unknown: Surveying the Subterranean Frontier - Highland Outdoors

Cave Maps Missouri Speleological Survey

Inner Space Cavern, Texas Speleological Survey, TSS

ADM Exploration Foundation - Phantom Cave Expedition

Cave Mapping Sketch Projections - CaveWhere

Mapping Caves: Survey and Exploration — Survey Down

USGS Scientific Investigations Report 2008-5023

Survey Efficiency — Derek Bristol