John Cancalosi / Cotton harvesting, Pinal County, Arizona, USA
01346195
John Cancalosi / Native Copper (Cu). Sample from Ray mine, Pinal County, Arizona, USA. Copper is perhaps the most important economically useful metal.
01346194
John Cancalosi / Native Copper (Cu). Sample from Ray mine, Pinal County, Arizona, USA. Copper is perhaps the most important economically useful metal.
01346196
John Cancalosi / Native Copper (Cu). Sample from Ray mine, Pinal County, Arizona, USA. Copper is perhaps the most important economically useful metal.
01730593
Jack Dykinga / Globemallow (Sphaeralcea ambigua) in flower with Brittlebush (Encelia farinosa) flowering on hill behind between Saguaro cacti (Carnegiea gigantea) Dripping Springs Mountains, Sonoran Desert, Pinal C...
01716226
Jack Dykinga / Mexican poppies {Eschscholzia californica ssp mexicana) explode after winter rains in the Sonoran Desert. Picacho Peak State Park, Pinal County, Arizona, USA. 28 February 2023.