United States, Colorado, Boulder, Area: South Boulder Foothills; OSProperty: Wells; OSTrail: Shanahan; Shanahan trail south.
39.9609394 -105.2690603 +-500m. WGS84
T1S R70W sec 18 NE¼ of SW¼
I plotted the UTM at 5925' along where the trail runs (it is not on the topo map). The elevation does not drop to 5800' in the SW 1/4 section of section 18. RA