To get a list of topographical maps that cover a particular area, drag the orange map icon to your point of interest then click the "Find Maps" button. You will be able to download your map on the next page. The 2025 NCKMS Symposium's map database currently contains 273,140 maps. The catalog was last updated on Friday, November 21, 2025.
Bristlecone Convention Center
Great Basin NP
The official event schedule for the 2025 NCKMS has now been updated. Please check our schedule page or download a PDF to your mobile device.
The National Cave and Karst Research Institute (NCKRI) is a nexus of research, stewardship, outreach and information for caves and karst while fostering interdisciplinary collaborations, created by the US Congress in 1998 in partnership with the National Park Service, State of New Mexico, and the City of Carlsbad.
NCKRI is located in Carlsbad, NM, and is a research center of the New Mexico Institute of Mining and Technology.
Near the geographic center of Nevada, Diana's Punchbowl or the Devil's Cauldron, is formed in the geothermically active portion of the Great Basin. It is located in central-western Nevada, in the Monitor Valley, about 3 hours west of Ely. The spring is exposed through a cup-shaped depression about 50 feet in diameter at the top of a domelike hill of travertine about 600 feet in diameter.