• Environmental Beautification

• 73.

Somerset CO Recreation and Trails Association

SCRTA, a 501(c)(3) non-profit group, supports the development and maintenance of Somerset County's segment of the Great Allegheny Passage, Somerset Lake Nature Park, and the September 11th National Memorial Trail.

Lehigh County Historical Society

TO COLLECT, PRESERVE & PUBLISH THE HISTORY & HISTORICAL DATA RELATIVE TO LEHIGH COUNTY FOR THE EDUCATION OF THE GENERAL PUBLIC Explore the rich history of the Lehigh County The Lehigh County Historical Society is one of the largest historical societies in America.

• Government and Public Administration

• 75.

Tioga County Tourists Promotion Agency

Information about visiting the Keystone of the Keystone State - Potter and Tioga Counties.

• Water Resource, Wetlands Conservation & Management

• 76.

Watersheds of South Pittsburgh

PROMOTE THE RESTORATION & ENHANCEMENT OF THE NATURAL RESOURCES OF THE STREET RUN WATERSHED AREA THROUGH FLOOD PROTECTION PREVENTION & STREAM IMPROVEMENTS.

Cumberland County Historical Society and Hamilton Library Assoc

Archives & Library hours: By appointment - https://www.

• Educational Services and Schools - Other

• 78.

RiverQuest

RiverQuest engages students and people of all ages in hands-on science learning experiences that develop critical thinking skills and promote awareness of our river ecosystems.

• Historical Societies and Related Activities

• 79.

Charles County Archaeological Society of Maryland Inc

Charles County Archaeological Society of Maryland Inc Discovering more about Charles County and the MidAtlantic Region through Archaeology March 23 2025 Susquehanna River Art At the March 20 CCASM meeting Paul Nevin talked about the petrogpyphs in a thirty mile stretch of the Lower Susquehanna River at three sites Walnut Island Safe Harbor and Bald Friar.

• History Museums

• 80.

Perrysburg Area Historic Museum Inc

THE SPAFFORD HOUSE MUSEUM Owned and Operated by PERRYSBURG AREA HISTORIC MUSEUM INC.

• Natural Resource Conservation and Protection

• 81.

GREAT ALLEGHENY PASSAGE CONSERVANCY

Plan your next outdoor adventure on the 150-mile Great Allegheny Passage.