Building Granite Peak retaining wall, Going-to-the-Sun Road, Glacier National Park, Glacier County, MT ID: 4782 | This file appears in: Going-to-the-Sun Road Road workers defied their fear of heights to build the Granite Peak retaining wall. | Creator: unknown photographer | Date: ca. 1925 | Source: Glacier National Park Association Download Original File Creatorunknown photographerSourceGlacier National Park AssociationDateca. 1925 "Building Granite Peak retaining wall, Going-to-the-Sun Road, Glacier National Park, Glacier County, MT" appears in: Going-to-the-Sun Road