Tags: infrastructure, mike, ocallaghanpat, tillman, memorial, bridge
Tags: infrastructure, promised, hoover, seen, previously, posted, tillman, bridge
Tags: infrastructure, charles, tillman, bridge, nevada
Tags: infrastructure, mike, ocallaghan-pat, tillman, memorial, bridge, nevada
Tags: infrastructure, tillman, memorial, bridgehoover, arizonanevada
Tags: architecture, mike, ocallaghanpat, tillman, memorial, bridge, nevada
Tags: infrastructure, mike, ocallaghanpat, tillman, memorial, bridge, boulder, nevada
Tags: abandoned, mine, colorado, david, stillman, info
Tags: landscape, bisti, badlands, mexico, pdtillman