TY - RPRT TI - Delineation of parallel folds and measurement of stratigraphic dimensions AU - J.B. Mertie PY - 1947 DO - 10.1130/0016-7606(1947)58[779:dopfam]2.0.co;2 UR - https://pubs.usgs.gov/publication/70206791 ID - 70206791 ER -