TY - RPRT TI - Approximate altitude of water levels in wells in the Chicot and Evangeline aquifers in the Houston area, Texas, spring 1987 AU - James Frank Williams AU - W.B. Lind AU - L.S. Coplin PY - 1987 DO - 10.3133/ofr87233 UR - https://pubs.usgs.gov/publication/ofr87233 ID - ofr87233 ER -