This legislation reauthorizes the Earth Mapping Resources Initiative (Earth MRI), extending its operations for an additional five fiscal years, specifically from 2027 through 2031 . This reauthorization ensures the continued federal effort to map and understand the nation's subsurface resources, which are crucial for various industries and energy needs. The bill significantly expands the types of data and methods utilized by Earth MRI, incorporating modern sensing technologies such as digital geochemistry, advanced geochemical characterization, and real-time data acquisition systems. These enhancements aim to improve the characterization of critical mineral, geothermal, and natural hydrogen resource systems. Furthermore, it mandates the integration of data from the 3D Hydrography Program to provide a more comprehensive understanding of these vital resources.