U.S. Army officers conduct a formation at a Civilian Conservation Corps camp during the 1930s. More than 30,000 Organized Reserve Corps officers managed some 2,700 CCC camps during the Great Depression. U.S. Army officers conduct a formation at a Civilian Conservation Corps camp during the 1930s. More than 30,000 Organized Reserve Corps officers managed some 2,700 CCC camps during the Great Depression. SHARE: Download: Full Size (1.15 MB) Tags: Photo Essays Credit: VIRIN: 947090-V-JPQ61-048.jpg Photo Gallery