TY - RPRT TI - Measurements of slope distances and zenith angles at Augustine Volcano, Alaska, 1986, 1988, and 1989 AU - J.A. Power AU - E.Y. Iwatsubo PY - 1998 DO - 10.3133/ofr98145 UR - https://pubs.usgs.gov/publication/ofr98145 ID - ofr98145 ER -