Search "PAD" for US gov owned land
Step 1.
2 panel
https://transparentgov.net/json2tree/esri/server2/folderT.html?org=live_data&url=https%3A%2F%2Ftransparentgov.net%2Fdata%2Flive_data%2Fusgs.gov-2p.json&select_folder=5572&select_folder_text=0+%26%23x21E2%3B+PADUS4_1FederalFeeMangAuth%3Csup%3EFeature+Layer%3Csub%3E+esriGeometryPolygon%3C%2Fsub%3E%3C%2Fsup%3E&select_layer=&select_layer_text=0+%26%23x21E2%3B+HPSA+Facilities+%3Csup%3EFeature+Layer%3Csub%3E+esriGeometryPoint%3C%2Fsub%3E%3C%2Fsup%3E&arcgis_online_token=
Step 2.
3 panel
https://transparentgov.net/json2tree/esri/server/folderT.html?org=live_data&url=https%3A%2F%2Ftransparentgov.net%2Fdata%2Flive_data%2Fusgs.gov-3p.json&select_folder=1843&select_folder_text=PADUS3_0ManagerName+%3Csup%3EMapServer%3C%2Fsup%3E&select_layer=0&select_layer_text=0+%26%23x21E2%3B+Protected+Areas+Database+of+the+United+States+%28PAD-US%29+v3.0+%3Csup%3EFeature+Layer%3Csub%3E+esriGeometryPolygon%3C%2Fsub%3E%3C%2Fsup%3E&arcgis_online_token=
Step 3.
gis server
https://services.arcgis.com/v01gqwM5QqNysAAi/arcgis/rest/services
Step 4.
App
https://maps.usgs.gov/padusdataexplorer/#/public-access
Step 5.