TY - RPRT TI - Application of Brianchon's theorem to construction of geologic profiles AU - J.B. Mertie PY - 1948 DO - 10.1130/0016-7606(1948)59[767:aobttc]2.0.co;2 UR - https://pubs.usgs.gov/publication/70206785 ID - 70206785 ER -