View toward Tucson Mountains with saguaros Location: Saguaro National Monument (West), near Tucson, AZ Year: 2003 Merckslides catalogue number: 11(06)-17993 Comments:

Petroglyphs in diorite Location: Saguaro National Monument (West), near Tucson, AZ Year: 2003 Merckslides catalogue number: 11(06)-17984 Comments:

Mudstone with jointing in three distinct planes Location: near Saguaro National Monument (West), near Tucson, AZ Year: 2003 Merckslides catalogue number: 06-15792 Comments:

Sonoran biome Location: Saguaro National Monument (West), near Tucson, AZ Year: 2009 Merckslides catalogue number: 06-70795 Comments:

Petroglyphs Location: Saguaro National Monument (West), near Tucson, AZ Year: 2009 Merckslides catalogue number: 06-70789 Comments:

Petroglyphs Location: Saguaro National Monument (West), near Tucson, AZ Year: 2009 Merckslides catalogue number: 06-70790 Comments:

Petroglyphs Location: Saguaro National Monument (West), near Tucson, AZ Year: 2009 Merckslides catalogue number: 06-70793 Comments:

Sonoran Biome Location: Saguaro National Monument (West), near Tucson, AZ Year: 2009 Merckslides catalogue number: 06-70782 Comments:

Sonoran Biome Location: Saguaro National Monument (West), near Tucson, AZ Year: 2009 Merckslides catalogue number: 06-70783 Comments:

Rock type at Saguaro petroglyph site Location: Saguaro National Monument (West), near Tucson, AZ Year: 2011 Merckdigitals catalogue number: 06-75259 Comments:

Diorite outcrop with petroglyphs Location: Saguaro National Monument (West), near Tucson, AZ Year: 2011 Merckdigitals catalogue number: 06-75249 Comments:

Saguaro National Park with graben valley with Pozo Verde Mountains in background Location: Saguaro National Monument (West), near Tucson, AZ Year: 2011 Merckdigitals catalogue number: 06-75257 Comments:

Diorite outcrop Location: Saguaro National Monument (West), near Tucson, AZ Year: 2016 Merckdigitals catalogue number: 06-89529 Comments:

Saguaro forest Location: Saguaro National Monument (West), near Tucson, AZ Year: 2016 Merckdigitals catalogue number: 06-89531 Comments:

Saguaro forest Location: Saguaro National Monument (West), near Tucson, AZ Year: 2016 Merckdigitals catalogue number: 06-89532 Comments:

Saguaro forest and mountain Location: Saguaro National Monument (West), near Tucson, AZ Year: 2016 Merckdigitals catalogue number: 06-89535 Comments:

Saguaro, Opuntia, and cholla Location: Saguaro National Monument (West), near Tucson, AZ Year: 2016 Merckdigitals catalogue number: 06-89536 Comments:

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