• Arco City Building - Arco ID
    "The Recreation Hall in Arco, Idaho was constructed in 1937-38 as a Works Progress Administration project. The building was built as a gymnasium and was constructed of basalt. The project was a challenge to the WPA masons because the basalt could not be shaped into regularly shaped blocks. Instead irregular stones were mortared together and then small “seams” were traced into the mortar to give the appearance of tightly fitting stones. The building was renovated (including a new roof) in the 1990s and now includes city offices in addition to recreational facilities. On June 8, 1948, President Harry S. Truman greeted...