GeoSTRAT is a free tool powered by ArcGIS Online and made available by the Missouri Department of Natural Resources. It is a great resource to explore spatial relationships in Missouri karst and other aspects of geologic interest. Location-al data can be uploaded into GeoSTRAT.
A Guide to Missouri Cave Life is a publication put out by the Missouri Department of Conservation and is a useful tool to identify some of the more common Missouri cave life.
Caring for Your Karst is a great resource for landowners and anyone looking to understand how karst works, particularly in the Ozarks.
Missouri Caves and Karst Conservancy
The Speleozarks Cave Factory by Jo Schaper.
