. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and '20 : by order of the Hon. Calhoun, sec'y of war: under the command of Major Stephen H. Long. From the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party. Indians of North America; Discoveries in geography; Indians of North America. 5' 201" fast. Mean time. Observations at St. Louis, to ascertain the magnetic variation. June 17, 1819. Double altitude of Sun's upper limb. Magnetic varia- Please note that these images are extracted from scanned page images


. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and '20 : by order of the Hon. Calhoun, sec'y of war: under the command of Major Stephen H. Long. From the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party. Indians of North America; Discoveries in geography; Indians of North America. 5' 201" fast. Mean time. Observations at St. Louis, to ascertain the magnetic variation. June 17, 1819. Double altitude of Sun's upper limb. Magnetic varia- Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original James, Edwin, 1797-1861, comp; Long, Stephen Harriman, 1784-1864; Say, Thomas, 1787-1834; Adams, John, 1735-1826, former owner. BRL; John Adams Library (Boston Public Library) BRL. Philadelphia : H. C. Carey and I. Lea . ..


Size: 3044px × 821px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorad, bookcentury1800, booksubjectdiscoveriesingeography