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Impacts of Aggregate Mining
Gravel Mining Impacts
Mining Twin Knolls requires the removal of virtually all natural vegetation, top soil and
subsoil to reach the aggregate underneath. Not only will this lead to a loss of existing animal
wildlife, it also leads to a huge loss of biodiversity as plants and habitats are destroyed.
Moreover, adjacent eco-systems are affected by noise, dust, pollution and contaminated water.
Environmental Impacts Of Mining Natural Aggregate
The most obvious environmental impact of Twin Knolls aggregate mining is the conversion of land use,
from undeveloped, multi-elevation desert land, to flat ground.
This major impact is accompanied by loss of habitat, noise, dust, blasting effects, erosion, sedimentation,
and changes to the visual scene.
Mining aggregate can lead to serious environmental impacts.
In areas of high population density, resource availability, combined with conflicting land use, severely
limits areas where aggregate can be developed, which can force large numbers of aggregate operations
to be concentrated into small areas such as County Islands in Arizona.
Environmental Impacts of Sand and Gravel Operations in New Mexico
Environmental impacts from aggregate, stone, and industrial mineral mines in New Mexico.
Arizona Revised Statute
Title 11 regulates Counties. Chapter 6 regulates County planning and zoning.
ARS 11-812 severely limits the ability of a County to control mining activity.
There is NO EXCEPTION for County Islands, leaving County Islands vulnerable to
extremely inappropriate mining activity, even in the suburbs of America's 5th largest city.
ARS 11-812 became law in 2010, not 1910. What was our State Legislature thinking?
Audio file from the March 11 meeting at the Arizona State Mine Inspector’s Office.
March 11 meeting audio
The Final Reclamation Plan presented at the March 11 meeting.