Helper in Carbon County, Utah — The American Mountains (Southwest)

Sullivan Shortwall Machine

Circa: 1920 to 1950

Photographed by Jeremy Snow, June 28, 2025

1. Sullivan Shortwall Machine Marker

Inscription. Attached to "jackpipes" (vertical posts anchored between the mine roof & floor), the shortwall was used to undercut the coal prior to blasting. This machine was last used in the O'Connor Mine near Clear Creek, Utah.

Erected by Utah Mining Assoc.

Topics. This historical marker is listed in this topic list: Industry & Commerce. A significant historical year for this entry is 1920.

Location. 39° 40.979′ N, 110° 51.364′ W. Marker is in Helper, Utah, in Carbon County. It is on South 100 West. Marker located in the Helper Mining Display. Touch for map. Marker is at or near this postal address: 252 S 100 W, Helper UT 84526, United States of America. Touch for directions.

Regionally, this marker is in Canyon Country.

It is also in the American Mountain West,

on the Colorado Plateau,

and at the Four Corners.

Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once New Spain

and also Mexico’s Alta California.

Other nearby markers. At least 8 other markers are within walking distance of this marker: The Mucking Machine (here, next

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to this marker); Conventional Mining Section (here, next to this marker); Joy Loading Machine (a few steps from this marker); Continous Miner Section (a few steps from this marker); Coal Mines of Carbon County Utah (a few steps from this marker); Geneva Coal Mine (a few steps from this marker); Historic Helper (a few steps from this marker); The Four Steps Necessary For Mining Coal (a few steps from this marker). Touch for a list and map of all markers in Helper.

Photographed by Jeremy Snow, June 28, 2025

2. Sullivan Shortwall Machine Marker

Credits. This page was last revised on July 18, 2025. It was originally submitted on July 18, 2025, by Jeremy Snow of Cedar City, Utah. This page has been viewed 89 times since then and 22 times this year. Photos: 1, 2. submitted on July 18, 2025, by Jeremy Snow of Cedar City, Utah. • Andrew Ruppenstein was the editor who published this page.