Basin Small 320×167 Medium 640×334 Large 1024×534 Download Tiff Original 2400×1252 | (452.9 KB) Description "Idealized profile to show the supposed structure in the rampart slope of the basin to the west of Ragland." -Walcott, 1901 Keywords basin diagram, basin steps, basin structure, faults, geological depression, geology, rampart slope, structural basin Galleries Geology Source: Walcott, Charles D. Annual Reports of the Department of the Interior (Washington, DC: Government Printing Office, 1901)