UNITED STATES DEPARTMENT OF THE INTERIOR Ray Lyman Wilbur, Secretary GEOLOGICAL SURVEY Bulletin 817 BOUNDARIES, AREAS, GEOGRAPHIC CENTERS AND ALTITUDES OF THE UNITED STATES AND THE SEVERAL STATES WITH A BRIEF RECORD OF IMPORTANT CHANGES IN THEIR TERRITORY AND GOVERNMENT For sale by the Superintendent of Documents, Washington, D. C. rage Price 50 cents VII CONTENTS Foreword How boundaries are established and changed.. Boundaries of the United States and additions to its territory... Provisional treaty with Great Britain, 1782. Page VII 1 8 8 8 9 Treaty with Great Britain, 1783__ Treaty of London, 1794. Treaty of Ghent, 1814.. Convention with Great Britain, 1818.. Arbitration by King of the Netherlands.. Webster-Ashburton treaty with Great Britain, 1842 Treaty with Great Britain, 1846... Treaty with Great Britain, 1908.. Treaty with Great Britain, 1910.. 9 10 13 17 18 21 21 22 The public domain and the changes made therein.. Territory northwest of the Ohio River. Territory south of the Ohio River___ Louisiana, the areas formerly belonging to Mexico, and the Oregon Length of the coast lines of the States and the principal outlying 252 Geographic centers of the continental United States and of the several 253 Extreme and mean altitudes of the States and principal possessions-- 254 257 4. Map of the United States showing routes of the principal ex- 5. The Mitchell map of the British and French dominions in North 6. Part of the Disturnell map of Mexico, 1847... In pocket. 7. Highest and lowest points in the United States: A, Mount 40 8. Northernmost and southernmost points in United States terri- 9. Typical boundary marks, old and new... 40 120 10. A, Section of a tree that had been used as a boundary mark; FIGURE 1. Map of Maine showing claims of the United States and Great 16 2. Map of the United States showing accessions of territory from 40 3. Map of the United States showing accessions of territory since 41 4. Map showing the relative size of Alaska and the United States__ 45 52 6. Relative size of possessions of the United States.. 7. Map of the Gore, at the northeast corner of Vermont 8. Historical diagram of New York... 63 84 109 |