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This is an informational map document from the Bureau of Land Management (BLM) depicting National Land and Subsurface Ownership as of December 31, 2025. The map displays the geographic distribution of BLM surface ownership across the United States, shown in yellow highlighting, with the heaviest concentrations located in the Western states including Montana, Wyoming, Utah, Colorado, New Mexico, Idaho, Nevada, California, Arizona, and Alaska. The map also indicates Federal Subsurface Mineral Estate through diagonal hatching patterns, which appears predominantly in Montana, Wyoming, Utah, Colorado, and New Mexico. BLM Administrative State boundaries are delineated with tan lines for reference purposes. The document includes scale measurements in both miles and kilometers, as well as inset maps for Alaska showing its BLM-managed lands. A disclaimer note states that the BLM makes no warranty regarding the accuracy, reliability, or completeness of the map data for individual or aggregate use with other data. This map serves as a reference document for understanding federal land ownership patterns and mineral rights distribution across the nation under BLM administration.