Benchmark Maps (Firm). (1997). Arizona southwest road map: Quartzsite, Cabeza Prieta NWR, Imperial Reservoir, Organ Pipe Cactus Natl Mon. Santa Barbara, CA: Benchmark Maps.
Chicago Style CitationBenchmark Maps (Firm). Arizona Southwest Road Map: Quartzsite, Cabeza Prieta NWR, Imperial Reservoir, Organ Pipe Cactus Natl Mon. Santa Barbara, CA: Benchmark Maps, 1997.
MLA CitationBenchmark Maps (Firm). Arizona Southwest Road Map: Quartzsite, Cabeza Prieta NWR, Imperial Reservoir, Organ Pipe Cactus Natl Mon. Santa Barbara, CA: Benchmark Maps, 1997.
Warning: These citations may not always be 100% accurate.