TY - RPRT TI - Borehole field calibration and measurement of low-concentration manganese by decay gamma rays AU - J.L. Mikesell AU - F. E. Senftle AU - T.A. Lloyd AU - A. B. Tanner AU - C.T. Merritt AU - E. R. Force PY - 1986 DO - 10.1190/1.1442075 UR - https://pubs.usgs.gov/publication/70014844 ID - 70014844 ER -