Erich Schlegel and Colin McDonald in Las Cruces, NM

LAS CRUCES, NM - Erich Schlegel, photojournalist, left, and writer Colin McDonald in the dry Rio Grande River in Las Cruces, New Mexico. SEPTEMBER 8, 2014: CREDIT: Erich Schlegel/Disappearing Rio Grande Expedition — LAS CRUCES, NM – Erich Schlegel, photojournalist, left, and writer Colin McDonald in the dry Rio Grande River in Las Cruces, New Mexico. SEPTEMBER 8, 2014: CREDIT: Erich Schlegel/Disappearing Rio Grande Expedition

LAS CRUCES, NM – Erich Schlegel, photojournalist, left, and writer Colin McDonald in the dry Rio Grande River in Las Cruces, New Mexico. SEPTEMBER 8, 2014: CREDIT: Erich Schlegel/Disappearing Rio Grande Expedition