TY - RPRT TI - In-situ stress project, Technical Report Number 9; Interpretation of hydraulic fracturing data from Yongping, western Yunnan, China AU - J.E. Springer AU - Zhai Qingshan AU - B.C. Haimson AU - Mark D. Zoback AU - M.Y. Lee AU - Li Fangquan PY - 1987 DO - 10.3133/ofr87491 UR - https://pubs.usgs.gov/publication/ofr87491 ID - ofr87491 ER -