What we know
John R. Cantril's homestead on West Plum Creek; the Glen Grove schoolhouse was moved in 1871 'to the bank along the creek above John Cantril's house' (Marr), near Cantril's sawmill (not placed).
Where it was
Centroid of the final-proof land (SE1/4 NE1/4 and NE1/4 SE1/4 Sec. 24, T9S R68W; SW1/4 NW1/4 and NW1/4 SW1/4 Sec. 19, T9S R67W), Castle Rock Journal notices of Oct.-Nov. 1884.
Placed from a written description, such as a land section, a distance from a landmark or an old survey note.
Sources
Sources are named in the text above. Numbers such as S-0080 refer to our source list. Most newspaper quotations were read in the Colorado Historic Newspapers Collection. Long quotations from recent books are shortened here.