• Historical Societies and Related Activities

• 496.

Upper Housatonic Valley National Heritage Area Inc

The Upper Housatonic Valley National Heritage Area Exists To Illuminate The Diverse, Rich Identity Of The Upper Housatonic River Valley Region.

• Natural Resource Conservation and Protection

• 497.

Rumney Ecological Systems

Quincy Bog Natural Area is a special place.

• Professional Societies & Associations

• 498.

Maine Association of Conservation Districts

The Maine Association of Conservation Districts strengthens Maine's 16 local Soil & Water Conservation Districts and promotes environmental stewardship through educational programs and the formation of appropriate partnerships to conserve Maine's natural resources.

Northern Virginia Conservation Trust

Founded in 1994, We are a 501(c)(3) regional land trust accredited by the Land Trust Accreditation Commission.

• Libraries, Library Science

• 500.

Florida Conservation Group Inc

MISSION IS TO SEEK PROTECTION OF LAND AND WATER RESOURCES THROUGH RESTORATION AND CONSERVATION; AND CONDUCTING EDUCATION AND OUTREACH ON THE ECOLOGICAL AND ECONOMIC IMPORTANCE OF NATURAL LANDS.

• Land Resources Conservation

• 501.

Sagebrush Steppe Land Trust

Our mission is to protect, connect, and enhance wildlife habitat, working lands, and community spaces in Southeast Idaho, now and for future generations.

• Natural Resource Conservation and Protection

• 502.

SUSTAINABLE NORTHWEST

Sustainable Northwest forges community-led solutions for nature, people, and jobs.

• Private Grantmaking Foundations

• 503.

Colorado Riverfront Foundation Inc

The Colorado Riverfront Commission and its nonprofit arm, the Colorado Riverfront Foundation, collectively referred to as One Riverfront, advocates for the coordinated community stewardship of the Grand Valley's river corridors.

Harpswell Heritage Land Trust

Nature, Community, Forever Primary navigation Quick links Search Get Outdoors Harpswell is a beautiful coastal town with numerous places to enjoy the outdoors.