TY - RPRT TI - Metalloporphyrins in the Eagle Ford Shale AU - Clifford C. Walters AU - Anthony Mennitto AU - Katherine L. French PY - 2026 DO - 10.1016/j.orggeochem.2025.105087 UR - https://pubs.usgs.gov/publication/70275565 ID - 70275565 ER -