2020-08-272022-02-032020-08-272022-02-03https://hdl.handle.net/11124/175100Scale 1:20,000.Set incomplete. Library owns sheets 230 and 258.Index to aerial photographs of Montrose County, Colorado, and parts of Delta and Mesa counties, Colorado, taken in 1951. Shows photographs from DOY set.61 x 51 cmaerial photographsThe organization that has made the Item available believes that the Item is in the Public Domain under the laws of the United States, but a determination was not made as to its copyright status under the copyright laws of other countries. See: http://rightsstatements.org/vocab/NoC-US/1.0/.Montrose County (Colo.) -- Aerial photographsMesa County (Colo.) -- Aerial photographsDelta County (Colo.) -- Aerial photographsIndex mapsStillImage