TY - RPRT TI - Proposed geohydrologic investigations in the Khorat Plateau of the lower Mekong River Basin and in the central plains of the Menam Chao Phraya Basin AU - David A. Phoenix PY - 1970 DO - 10.3133/ofr73224 UR - https://pubs.usgs.gov/publication/ofr73224 ID - ofr73224 ER -