Preston, R. N. (1972). Maps of early Idaho: Old gold mines, Indian battle grounds, old military roads, old forts, overland stage routes, early towns. Western Guide Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPreston, Ralph N. Maps of Early Idaho: Old Gold Mines, Indian Battle Grounds, Old Military Roads, Old Forts, Overland Stage Routes, Early Towns. Corvallis, Or.: Western Guide Publishers, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPreston, Ralph N. Maps of Early Idaho: Old Gold Mines, Indian Battle Grounds, Old Military Roads, Old Forts, Overland Stage Routes, Early Towns. Western Guide Publishers, 1972.
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