Page 36 - 2019 Sustainability Report

BIODIVERSITY AND LAND USE

We own or lease significant land holdings on which we operate our businesses. We are committed to minimizing
operational impacts on local ecosystems’ biodiversity. In addition to complying with applicable laws and regulations,
we integrate various protection measures into the way we operate, as described below. Further, our environmental
management practices consider the relevant ecosystem throughout the lifecycle of an operation, including reclamation.

HABITAT AND SPECIES PROTECTION

Throughout the duration of our operations at a particular
location, we take a variety of steps to mitigate impacts
on habitats and species and to restore disturbed
ecosystems. Our environmental staff works in concert
with our mine planners and operations teams to
ensure sensitive areas and species are not impacted.
We follow the U.S. Fish and Wildlife Service guidelines
and regulations for operations near endangered or
threatened species, and we obtain required permits
and conduct necessary mitigation in connection with our
activities in or near waters of the United States.

Indiana Bat
Additionally, many of our quarries benefit biodiversity
by creating and maintaining valuable habitats for many
species of wildlife, including threatened or endangered
species. This occurs both in the ordinary course of
maintaining large rural sites and through set-asides and
conservation easements we have granted. For example,
in our Central Division, we have set aside portions of
our Racoon River property as habitat for the endangered
Indiana Bat. In our West Division, a portion of our Lyons
facility has been set aside to protect the Prebble Jumping
Mouse. And in our Southeast Division, a portion of the
Appling property was set aside to provide a habitat for
the snorkel wort plant. In addition, in many of our sand
and gravel operations, we create wetland features that
improve water quality long term and water-storage
Prebble Jumping Mouse basins that help to supply local water needs.
U.S. Department of Energy
Because we own and lease many thousands of acres
of land, we are also active managers of significant
forest resources. Management and replenishment
of this resource is top of mind for our operations.
For instance, beginning in 2015, our Mid-Atlantic
Division implemented a timber management program.
To date, the division has planted more than 250,000
trees reclaiming many acres of forest.

Snorkel Wort in granite vernal pool

James Henderson, Golden Delight Honey, Bugwood.org

36 / MARTIN MARIETTA / SUSTAINABILITY REPORT / 2019