# Cover Front Thb Cover Back Thb Postmark Year Postmark Month Postmark Day Postmark City Postmark State Mailed To State Actions
511 1882 12 12 Durango CO OH
512 1909 12 27 Durango CO
513 1901 11 19 Durango CO
514 1944 7 22 Delta CO CO
515 1921 1 22 Delta CO CO
516 1912 4 12 Delta CO CO
517 1897 6 20 Delta CO CO
518 1910 12 14 Delta CO CO
519 1899 9 6 Denver CO CO
520 1941 8 23 Craig CO NY