TY - RPRT TI - Measurement of ridge-spreading movements (Sackungen) at Bald Eagle Mountain, Lake County, Colorado, II: Continuation of the 1975-1989 measurements using a Global Positioning System in 1997 and 1999 AU - David J. Varnes AU - J. A. Coe AU - J. W. Godt AU - W. Z. Savage AU - J. E. Savage PY - 2000 DO - 10.3133/ofr00205 UR - https://pubs.usgs.gov/publication/ofr00205 ID - ofr00205 ER -