TY - RPRT TI - Gravity observations and Bouguer anomalies in the Albemarle, Denton, Mt. Pleasant, and Salisbury quadrangles, North Carolina AU - Zvi Yuval PY - 1963 DO - 10.3133/ofr63145 UR - https://pubs.usgs.gov/publication/ofr63145 ID - ofr63145 ER -