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State geologist urges more mapping as airborne surveys expand and data become public
Summary
Interim State Geologist Rainey Linz told the Joint Appropriations Committee that only 16% of Wyoming is mapped at an appropriate scale and that a program of airborne magnetic, radiometric and electromagnetic surveys—largely funded through USGS partnerships—will expand public geologic data and lower private and local costs for exploration and planning.
Rainey Linz, interim state geologist and director of the Wyoming State Geological Survey, told the Joint Appropriations Committee that the agency’s core role is to provide “unbiased foundational data on Wyoming’s mineral resources and geologic hazards” and to make that information publicly available. Linz said the survey maintains a publications warehouse of 1,730 items, averaged about 400 downloads per day in 2025 and is modernizing its geologic data to become digital, findable and searchable.
“We currently have 1,730 publications freely available for download on our website,” Linz said. “By making clear maps and data universally accessible, we eliminate the need for…
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