(Vaquero) at Central Arizona College W. of Coolidge, Pinal County, AZ. McCartney Rd. E. 2.8 miles from jct with I10 exit 190, N. on Overfield Rd. 1.0 miles to Woodruff Rd., continue onto the college campus. Tank is on the hill to the NW of the campus. (N32 57.599 W111 39.315) Photos by Bob & Dorothy Dunham 1-25-10.