County: Goshen

Authority Name: 

GNIS Entry 

Longitude: 1042211W

Latitude: 422741N 

Legal Description:

Elevation:  4590/1399

(ft/m)

Feature Type: Populated Place

Origin of Name:

Town, which was once part of a ranch, is owned and controlled by the Harris Brothers. Named for the cattle brand, "JM".

Source: WPA

Named for a cattle brand.

Source: Annals 14(3)

Alternative Spellings: 

Other Names: 

History:

Jay Em Post Office was established in March, 1909.

Source: Wyoming Post Offices

Stories:

Maps:

1:24000 Quadrangle: Jay Em

Newspapers:

Bibliography

Pictures: