FIELD NOTES Cahokia Oct 8, 2016 SEISMIC Geophone 1 at the south end of the line FILE SHOT COORDINATE TAPE MARKING UPPER LINE 1.dat 0 57.5 2.dat 5 52.5 3.dat 10 49.5 4.dat 15 42.5 5.dat 20 37.5 6.dat 25 32.5 7.dat 30 27.5 8.dat 35 22.5 9.dat 40 17.5 10.dat 45 12.5 11.dat 50 7.5 12.dat 55 2.5 13.dat 57.5 0.0 LOWER LINE 14.dat 0 15.dat 9 16.dat 18 17.dat 27 18.dat 36 19.dat 45 20.dat 54 21.dat 63 22.dat 69