Edward L. Plumb to William H. Seward, June 4, 1868
Mr. Plumb to Mr. Seward.
Sir: Among the laws passed at the session of the Mexican congress jnst closed, was one establishing a system of military colonies in the frontier States, for the purpose, as stated, of defending the frontier of the republic against incursions of the Indians.
These colonies are to be thirty in number, and are to be located seven in the state of Sonora, seven in Chihuahua, four in Nuevo Leon, six in Coahuila, four in Durango, and two in Lower California.
A law was also passed establishing two similar colonies in the States of Yucatan and Campeche.
Translations of the two decrees are transmitted herewith.
I have the honor to be, very respectfully, your obedient servant,
Hon. William H. Seward, Secretary of State, Washington, D. C.