TY - RPRT TI - Color photographs (35mm slides) showing examples of structural damage and surficial effects of the M 7.1 October 17, 1989, Loma Prieta, California earthquake AU - C. C. Ramseyer PY - 1989 DO - 10.3133/ofr89687 UR - https://pubs.usgs.gov/publication/ofr89687 ID - ofr89687 ER -