Descriptive InformationConstruct campfire circle, Cosby campground, Work Order No. B-54 GRSM. Detail of fastening redwood plank to concrete posts. The nailing block is fastened to concrete post with embedded bolts. The planks are fastened to nailing block with lug bolts from underneath. Completion report photo. Cosby Campground; Campfire Circle; Shelter - Building No. 425, II-A-Amph-7498, Physical Facilities - Minor Structures - Amphitheaters and campfire circles, campground shelters