TY - RPRT TI - Evidence for organic and igneous carbon sources in the Mesoproterozoic Adirondack Highlands graphite district, New York AU - William H. Peck AU - Jade Star Lackey AU - Gregory J. Walsh AU - Katia A. Childs AU - Matthew C. King AU - Fredrick S. LeClair AU - Jacob L. Steinberg PY - 2026 DO - 10.1130/b38394.1 UR - https://pubs.usgs.gov/publication/70280076 ID - 70280076 ER -