U.S. Geological Survey Benchmark Replica Vista House Columbia River Gorge 1916
• Replica of 1916 U.S. Geological Survey benchmark • Marked Vista House, Columbia River Gorge • Elevation: 733 feet above sea level 2.5 inches diameter
• Replica of 1916 U.S. Geological Survey benchmark • Marked Vista House, Columbia River Gorge • Elevation: 733 feet above sea level 2.5 inches diameter