• Astronomy (includes Observatories)

• 433.

Nebraska Star Party Inc

Nebraska Star Party is one of the nation's premier stargazing events held under the dark skies of Nebraska's beautiful Sandhills The Nebraska Star Party Next Star Party July 20th 25th 2025 Location Merritt ReservoirValentine Nebraska Online registration is now open Discover the Wonders of the Night Sky Join us at the Nebraska Star Party for an unforgettable week of stargazing family fun and natural beauty at Merritt Reservoir.

POMPERAUG RIVER WATERSHED COALITION INC

We promote using science & education to ensure the availability of excellent quality water.

• Wildlife Preservation/ Protection

• 435.

North Dakota Wildlife Federation Inc

A GRASSROOTS ORGANIZATION, WHICH PROTECTS AND ENHANCES NORTH DAKOTA'S WILDLIFE, WILDLIFE HABITAT AND ACCESS TO THAT HABITAT, AND PROMOTES HUNTING, FISHING, TRAPPING AND OTHER WILDLIFE RELATED ACTIVITIES THROUGH EDUCATION, PROGRAMS, AND PROJECTS.

• Water Resource, Wetlands Conservation & Management

• 436.

Walloon Lake Association and Conservancy

To deliver Walloon Lake to the next generations through the power of conservation.

• Management & Technical Assistance

• 437.

Wildlife & Outdoor Recreation Foundation Inc

We strive to build positive relationships with partners to conserve and preserve our resources.

• Alliance/Advocacy Organizations

• 438.

Idaho Overland Association

Fostering Responsible Recreation through Education, Service and Advocacy We are a membership-based outdoor enthusiast community with a passion in protecting our public lands.

• Natural Resource Conservation and Protection

• 439.

Save Farmland

TO PROTECT AND PROMOTE SMALL FARMERS IN MONTANA'S FLATHEAD VALLEY.

• Alliance/Advocacy Organizations

• 440.

Flathead Lakers Inc

Working for clean water, healthy ecosystems and lasting quality of life in the Flathead watershed in northwestern Montana.

BLUE HILL HERITAGE TRUST

Give TODAY. Your generous taxdeductible financial contributions ensure that we can continue to protect Blue Hill Peninsulas land water resources for generations to come.