Blackburn & Carter
Evaluated the noise habitat of red-cockaded woodpeckers in Jones State Forest.

Hawker Siddeley Power Engineering
Modeled noise from a cogeneration plant and assessed the impacts at a neighboring park.

Nabors
Designed noise control treatments to reduce the impact of a proposed drilling rig at Wytch Farm site.

National Park Service
Documented and analyzed ambient sound levels at two National Parks.