. . . . . . . . . . "Water-quality data collected to determine the presence, source, and concentration of lead in the drinking water supply at Pipe Spring National Monument, northern Arizona"@en . . . . "Water quality data collected to determine the presence, source, and concentration of lead in the drinking water supply at Pipe Spring National Monument, northern Arizona"@en . . . . . . . "Pipe Spring National Monument (Ariz.)" . .