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  Partner: UNT Libraries
 Decade: 1840-1849
Travels in Egypt, Arabia Petræa, and the Holy Land.
Map of Egypt, Arabia Petraea and Palestine showing Dr. Olin's route. Inset of Sinai with points of interest.
Travels in North America, in the years 1841-2; with geological observations on the United States, Canada, and Nova Scotia. By Charles Lyell.
Geological map of the United States and Canada in 1841 - 42. Colored areas indicate geological eras, mineral and rock formations.