County: Natrona

Authority Name: 

GNIS Entry 

Longitude: 1063001W

Latitude: 430021N 

Legal Description:

Elevation:  5328/1624

(ft/m)

Feature Type: Locale

Origin of Name: 

When the railroad to the Salt Creek oil fields folded (the illfated North and South Railroad), with it went Illco (from a trade name) in Natrona County.

Source: Annals 28

Alternative Spellings: 

Other Names: 

History:

Illco Post Office was established in January, 1926 and discontinued in March, 1935. Mail was then handled by Casper Post Office.

Source: Wyoming Post Offices

A little town on a side road between old highway 20 and 87.

Source: WPA

Stories:

Maps:

1:24000 Quadrangle: Illco

Newspapers:

Bibliography

Pictures: