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   G:: Geographical Surveys West of the 100th Meridian (U : download and read ebooks
Catalogue of the mean declination of 2018 stars between 0 [hour] to 2 [hours] and 12 [hours] to 24 [hours] right ascension, and 10 and 70 of north declination, for January 1, 1875

Catalogue of the mean declination of 981 stars between twelve and twenty-six hours of right ascension, and thirty degrees and sixty degrees of north declination, for January 1, 1875

Preliminary report upon invertebrate fossils collected by the expeditions of 1871, 1872, and 1873, with descriptions of new species

Report upon ornithological specimens collected in the years 1871, 1872, and 1873

Report upon the determination of the astronomical co-ordinates of the primary stations at Cheyenne, Wyoming Territory, and Colorado Springs, Colorado Territory, made during the years 1872 and 1873, Geographical and geological explorations and surveys west of the one hundredth meridian, First Lieut.

Tables of geographic positions, azimuths, and distances : together with lists of barometric altitudes, magnetic declinations, and itineraries of important routes

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Henry Harrison Lewis2 books in pdf format