The Sinkhole Mapping Act of 2025 mandates the U.S. Geological Survey to map sinkhole risk zones.
The Sinkhole Mapping Act of 2025 requires the Director of the United States Geological Survey to establish a program studying sinkhole causes and developing maps of high-risk zones. The maps will use 3D elevation data and be updated every five years. The Director must also maintain a public website with the maps and related information for community planners and emergency managers.
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