Signal Mountain Blockhouse
Signal Mountain Blockhouse, Military blockhouse at Signal Mountain, Fort Sill, United States.
The stone structure measures 14 feet by 16 feet and stands at the summit of Signal Mountain, constructed with limestone from the Wichita Mountains.
Built in 1871 following the Medicine Lodge Treaty, this fortification served as a military observation point during conflicts with Southern Plains tribes.
The building represents early limestone architecture at Fort Sill and played a key role in relationships between military forces and Native American communities.
The blockhouse functioned as a meteorological observatory and signal station, enabling communication between Signal Mountain, Medicine Bluffs, Mountain Scott, and Fort Reno.
The Army Signal Corps used flag semaphore, heliograph, and signal lamp methods for optical communication, maintaining a line of sight information exchange system.
Location: Comanche County
Inception: 1871
Part of: Fort Sill
GPS coordinates: 34.67433,-98.49058
Latest update: March 10, 2025 16:55
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