Jack Dykinga / Havasu Falls with travertine formations in the river creating spillways, and Fremont cottonwood trees (Populus fremontii), dawn, Havasupai Reservation, Arizona, USA
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Jeff Foott / Fremont Cottonwood (Populus fremontii) trees and potholes in autumn, Grand Staircase-Escalante National Monument, Utah
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Jeff Foott / Fremont Cottonwood (Populus fremontii) trees in autumn, Grand Staircase-Escalante National Monument, Utah
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Jeff Foott / Fremont Cottonwood (Populus fremontii) trees in autumn, Grand Staircase-Escalante National Monument, Utah
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Jeff Foott / Fremont Cottonwood (Populus fremontii) trees in autumn, Grand Staircase-Escalante National Monument, Utah
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Jeff Foott / Fremont Cottonwood (Populus fremontii) trees in autumn, Grand Staircase-Escalante National Monument, Utah
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Jeff Foott / Fremont Cottonwood (Populus fremontii) trees in autumn with potholes, Grand Staircase-Escalante National Monument, Utah
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Jeff Foott / Fremont Cottonwood (Populus fremontii) trees in riverine dip in autumn, Deer Creek Canyon, Grand Staircase-Escalante National Monument, Utah
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Jeff Foott / Fremont Cottonwood (Populus fremontii) trees in autumn, Bentonite Hills, Capitol Reef National Park, Utah
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Jouan Rius / Detail of Cottonwood Tree bark (Populus fremontii), Grand Staircase-Escalante National Monument, Utah, USA. April 2014.
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Jack Dykinga / Freemont cottonwood (Populus fremontii) in autumn, Capitol Reef National Park, Utah, America, October.
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Jack Dykinga / Freemont cottonwood (Populus fremontii) in autumn, Capitol Reef National Park, Utah, America, October.
