Philip Hyde's color photographs also appeared in Time and The River Flowing: Grand Canyon, Navajo Wildlands and other Sierra Club books before the 1970s. After spending time in the desert and discovering improvements in the dye transfer printing process, in the 1970s Hyde gradually transitioned completely away from black-and-white photography to focus solely on color. He collaborated with author Edward Abbey on the desert classic, "Slickrock: The Canyon Country of Southeast Utah," (1971) yet another Sierra Club book published to highlight the threats to wilderness, in this case, the Utah Redrock country of Canyonlands National Park, Capitol Reef National Park, and the Escalante River wilderness.
Philip Hyde's color photographs were featured in Time and The River Flowing: Grand Canyon, Navajo Wildlands and other Sierra Club books before the 1970s. After spending time in the desert and discovering improvements in dye transfer printing techniques, Hyde transitioned from black-and-white photography to focus exclusively on color in the 1970s. He collaborated with Edward Abbey on "Slickrock: The Canyon Country of Southeast Utah" (1971), another Sierra Club book that highlighted threats to wilderness, focusing on the Utah Redrock country within Canyonlands National Park, Capitol Reef National Park, and the Escalante River wilderness.