United States of America, Colorado, Jefferson, Ranson/Edwards Homestead Open Space Park. High plains above Rocky Flats, 1.7 mi. west on CO Hwy 72 from CO Hwy 93, 1.2 mi. generally north on Plainview Road, then 500 m. east along a terrace on the north side of an ephemeral stream, 19.9 km. north northwest of the GNIS location of Golden.