National Mine Map Repository - White Coffee Mug

The National Mine Map Repository (NMMR) is a comprehensive database managed by the United States Geological Survey (USGS). It contains detailed maps, plans, digital models, and other geospatial data related to mineral resource exploration and mining activities throughout the U.S. These data resources are critical for understanding the subsurface geology, mineral potential, and environmental impacts associated with mining operations. The NMMR serves a wide range of users, including government agencies, industry professionals, academia, and the public, by providing secure and accessible information to support decision-making in various domains such as resource management, land use planning, and mineral exploration.