Figures F1-F6
F1. Noise observation for the 2G cryogenic magnetometer for 20 min.
F2. Measurement of core liner magnetization.
F3. Comparison of inclination, declination, and intensity before and after splitting Section 189-1168B-3H-3.
F4. Comparison of inclination before and after AF demagnetization and before and after splitting Section 189-1168A-3H-3.
F5. Comparison of intensity records of APC cores, Sites 1170 and 1171.
F6. Comparison of inclination and intensity of cores taken with standard and nonmagnetic assemblies.