(Mountain Jacks, 25', MI-63-15) in Auburn Hills, Oakland County, MI. University Dr. SW 0.3 miles from jct with I75 exit 79 in Auburn Hills, N. on Opdyke Rd. 300’ to the bldg on the W. side of the road at 1451. (3-31-06, N42° 39.77', W83° 14.77') Photo by Mark Comstock & Larry Baker.