Hi,

In 1910 a Juan pacheco was living in Trinidad, Las Animas, CO.
Juan Pacheco, b. 1885, Old Mexico, cook hotel, immigrated 1908, alien status.

On September 12, 1918 a Juan Crisostomo Pacheco was living at 221 Burlington, Trinidad, Las Animas, CO.
Born: 27 Jan 1885, Colorado
Native born & white
Occupation: Cook for M. E. Patton, Coronado hotel Trinidad
Nearest Relative: Vittoria Pacheo, mother, Burlington
Source: U. S. World War I Draft Registration Cards 1917-18.

I also found the Pachecho Family Tree, trees.ancestry.com/tree/45770248/person/5419279211 which contains Juan and says he died 2 Nov 1939 in Trinidad.

Colorado doesn't publish death information. There is a source for obituaries at deathindexes.com/colorado/index.html under Huerfano County. Successful Searching!