A fall measuring 25' long, 30' wide, and 8' high was discovered 3500' outby the working place during a routine exam. The fall was located in the return entry of the 001 section 25' left of spad 58814. Affected area was developed Dec 07 with 5' torque tension roof bolts as the primary roof support. Fall occurred due to laminated coal and rock above the anchorage zone.