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WSGS publications are available for free download or for purchase in printed format.

The Wyoming State Geological Survey (WSGS) encourages the fair use of its material. We request that credit be expressly given to the “Wyoming State Geological Survey” when citing information from this publication. Please contact the WSGS at 307-766-2286 or by email at wsgs-info@wyo.gov with questions about citing materials, preparing acknowledgments, extensive use of this material, or to order maps and publications. Individuals with disabilities who require an alternative form of this publication should contact the WSGS. For the TTY relay operator, call 800-877-9975. We appreciate your cooperation.