| 1. |  | Four Corners Monument March 2009 | Four Corners Region; Surveying; Boundaries, State; Utah--Boundaries; Arizona--Boundaries; Colorado--Boundaries; New Mexiso--Boundaries; | Includes four separate images of the Four Corners Monument quadripoint, where the states of Arizona, Colorado, New Mexico, and Utah meet. These images are taken from a calendar produced by the Utah Council... |