(IA-77-07) in Des Moines, Polk County, IA. 42nd St. N. 0.3 miles from jct with I235 exit 6 in Des Moines, W. on Kingman Blvd. 0.4 miles (4 blocks), N. on Polk Blvd. 250’ to the house on the W. side of the road at 1056 Polk Blvd. (4-29-04, N41° 35.830', W93° 40.920')