SAN LUIS VALLEY, CO – Bison herd of the Medano-Zapata Ranch run through Nature Conservancy land in the San Luis Valley in southern Colorado. JULY 1, 2014. CREDIT: Erich Schlegel/Disappearing Rio Grande Expedition
SAN LUIS VALLEY, CO – Bison herd of the Medano-Zapata Ranch run through Nature Conservancy land in the San Luis Valley in southern Colorado. JULY 1, 2014. CREDIT: Erich Schlegel/Disappearing Rio Grande Expedition