TY - BOOK AU - Fitterman, David V. CN - I 19.76: CY - [Denver, Colo.?] : DA - 1997] ID - 216590 KW - Magnetic prospecting. KW - Prospecting KW - Electric prospecting. KW - Geophysical instruments N1 - Cover title. N1 - Shipping list no.: 99-0352-M (illegible header); 99-0388-M (legible header). N1 - "17 December 1997." PB - U.S. Dept. of the Interior, U.S. Geological Survey : PB - [Books and Open-file Reports Section, distributor, PP - [Denver, Colo.?] : PY - 1997] T1 - Analysis of errors in HEM bird calibration TI - Analysis of errors in HEM bird calibration VL - 97-742 ER -