1875-1956 1967- anthropologicalethics antiquities bingham civilengineering culturalproperty excavations(archaeology) hiram hydraulicengineering incas mark moralandethicalaspects narrowgaugerailroads peru peruvianexpeditions peruvianexpeditions(1912-1915) photography protection traveladams yaleperuvianexpedition yaleperuvianexpedition(1911) yaleperuvianexpedition(1912)