TY - RPRT TI - Analytical method codes and descriptions for well and outcrop samples: Eastern Gas Shales Project data system AU - T. S. Dyman AU - L.A. Wilcox AU - M.R. Foster PY - 1982 DO - 10.3133/ofr811047 UR - https://pubs.usgs.gov/publication/ofr811047 ID - ofr811047 ER -