What does NPRA stand for?

International Phase of Ocean Drilling: Seismic Line 1, Demultiplexed Data - Cape Hatteras, North Carolina to Mid-Atlantic Ridge - Database (GDD)

National Parks and Recreation Act of 1978 (COE)

National Parks and Recreation Association (NADA)

National Personal Robot Association - Later, NSRA (EA)

National Petrochemical and Refiners Association (EA)

National Petroleum Refiners Association (EA)

National Petroleum Reserve-Alaska

Naval Personnel Research Activity

Newspaper Personnel Relations Association (EA)