The Yard mine is in sec. 7, T. 14 S., R. 77 W., about 4 mi north of Highway 24-285; the locality of this mine was misplaced by Hanley and others (1950). ("Minerals of Colorado, updated & revised", p. 12, by Eckel, Edwin B., 1997)
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!