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Published 1861
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Published 1979
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Oregon goldsilver & gems maps then and nowgoldsilver agate apache tears bloodstone thunder eggs tourmaline jadeMapPublished 2000
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Improving Columbia River at the Three Mile rapids Oregon & Washingtoncartographic materialPublished 1895
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Idaho ghost towns then and nowearly towns military roads state stations early forts overlay of modern road systemMapPublished 2000
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Isothermal chart of the region North of the 36th parallel & c & c between the Atlantic and Pacific Oceanscartographic materialPublished 1859
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Map no 4 from the valley of the mud lakes to the Pacific Ocean [Calif]from explorations and surveys made under the direction of the Hon Jefferson Davis Secretary of Warcartographic materialPublished 1855
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Idaho treasure tales and treasure trailscartographic materialby Glenn, T. R., 1935-
Published 1968 -
Topographical map of the road from Missouri to Oregoncommencing at the mouth of the Kansas in the Missouri River and ending at the mouth of the Wallah Wallah in the Columbia;cartographic material