Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Tunnel on the Union Pacific Railroad (formerly Missouri Pacific) southeast of Pyatt
Location
Marion County, Arkansas
Status
Open to railroad traffic
History
Built 1903-04
Design
Tunnel
Dimensions
Total length: 660.0 ft.
Recognition
Posted to the National Register of Historic Places on September 19, 2007
Approximate latitude, longitude
+36.24046, -92.82328   (decimal degrees)
36°14'26" N, 92°49'24" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/515878/4010633 (zone/easting/northing)
USGS topographic map
Bruno
Inventory numbers
NRHP 07000953 (National Register of Historic Places reference number)
BH 36138 (Bridgehunter.com ID)