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The first edition of the record setting forth the history of the boundaries of the United States and the several States and Territories was prepared by Henry Gannett, assisted by Franklin G. Butterfield, and was published as Bulletin 13 of the United States Geological Survey in 1885. The second edition, revised and enlarged by Henry Gannett, was published as Bulletin 171 in 1900. The third edition, also revised by Henry Gannett, was published as Bulletin 226 in 1904. A reprint of this edition with minor corrections was issued in 1906.

The present bulletin is a revision and enlargement of Bulletin 226 and includes additional matter incidentally connected with boundaries.

It is the desire of the Geological Survey to make this publication a complete record, and therefore suggestions for the addition of any germane material will be welcomed.


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PLATE I. International boundary marks: A, The mark farthest north on

the Lake of the Woods meridian boundary; B, Monument

No. 167 on the Mexican boundary; C, A cast-iron post on the

forty-ninth parallel boundary; D, Type of small monument

on the Alaskan boundary; E, Type of large monument on the

Alaskan boundary---------

II. Map of the United States, showing routes of the principal ex-

plorers from 1501 to 1844.------

III. The Mitchell map of the British and French dominions in North

America, 1755_---

-------- In pocket.

IV. Part of the Disturnell map of Mexico, 1847--------------- In pocket.

V. Typical boundary marks, old and new: A, Monument No. 20 on

the Mason and Dixon line; B, Boundary stone between the

District of Columbia and Maryland; C, A Texas-New Mexico

boundary stone; D, Mark at the southeast corner of New



VI. A, Section of a tree which has been used as a boundary mark;

B, State Line Butte, on Utah-Arizona line--------


VII. Historical diagram of Missouri.


FIGURE 1. Map of the United States, showing accessions of territory

from 1803 to 1853_----

2. Map of Maine, showing claims of the United States and

Great Britain.--

3. Map of the United States and possessions acquired since 1853_

4. Map showing award of Alaska Boundary Tribunal, October

20, 1903 ---

5. Map of the Canal Zone_---

6. Map of the Gore, at the northeast corner of Vermont


7. Historical diagram of New York---

8. Historical diagram of Pennsylvania.


9. Historical diagram of Virginia-------


10. Historical diagram of Georgia: -----

11. Historical diagram of Mississippi.


12. Historical diagram of Texas.------


13. Historical diagram of Arkansas.----


14. Historical diagram of Indiana----


15. Historical diagram of Michigan------

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