TY - BOOK T1 - Measurement of ridge-spreading movements (Sackungen) at Bald Eagle Mountain, Lake County, Colorado, 1975-1989 DA - 1990. CY - [Denver, CO] : AU - Varnes, David J. VL - 90-543 CN - I 19.76: PB - Dept. of the Interior, U.S. Geological Survey, PP - [Denver, CO] : PY - 1990. N1 - Cover title. N1 - Distributed to depository libraries in microfiche. ID - 217704 KW - Earth movements KW - Geology, Structural TI - Measurement of ridge-spreading movements (Sackungen) at Bald Eagle Mountain, Lake County, Colorado, 1975-1989 ER -