TY - RPRT TI - The Olney, Illinois, earthquake of 10 June 1987; a preliminary report AU - C.J. Langer AU - P. S. Powers AU - A. C. Johnston AU - G. A. Bollinger AU - D. L. Carver AU - R. A. Williams AU - Edward Cranswick PY - 1987 DO - 10.3133/ofr87623 UR - https://pubs.usgs.gov/publication/ofr87623 ID - ofr87623 ER -