Gravel Mining

Gravel Mining is a prominent industry in Elk River. This is due to the abundant supply and quality of aggregate found in the area as well as the reasonable transportation costs. Aggregate mined in Elk River is used in the process of constructing roads, buildings, and infrastructure. 

In 1994, the city worked with the local aggregate companies to complete an Environmental Impact Statement (EIS). An EIS is an in-depth analysis used for major developmental projects that will significantly change the environment. The statement covers social and economic influences, as well as environmental impact, and looks at alternate ways to process with the project.

The city created a Gravel Mining Overlay District for these operations and created an ordinance based on the findings of the EIS. In addition to the ordinance, yearly licensing is required for gravel operation in the City of Elk River.

Local students touring the Tiller Corp gravel mine in the City of Elk River.

Gravel Mine Tour

More Information

  1. Aggregate

Aggregate is a broad term used to describe sand, gravel, and crushed rock mixtures. These materials can be further crushed, washed, and blended to meet specifications required for their use. Aggregate materials are the basic ingredients for a variety of construction projects. These materials are known by other names including: aggregate, construction aggregate, sand and gravel, crushed rock, and construction sand and gravel.

Minnesota's aggregate industry mines three types of materials:

  1. Sand and gravel mined from glacial or alluvial deposits - this material represents the majority of aggregate production and is sometimes referred to as "natural" aggregate.
  2. Crushed carbonate rock - mined from bedrock in southeastern Minnesota and in the metropolitan area.
  3. Crushed rock mined from granite, quartzite, or trap rock elsewhere in the state.

In addition to aggregate deposits that are mined, "recycled aggregate" can be made from demolition material that is crushed and cleaned of impurities.

  1. Importance of Aggregate
  1. Aggregate Uses
  1. Location of Aggregate
  1. Did You Know?