What does COPL stand for?

Canadian Online Poker League (FLAA)

Center for Optics, Photonics, and LASERS - Laval University - Research center (RCD)

Centre for Optics, Photonics, and Lasers - Research center (RCD)

Coal and Organic Petrology Laboratories - Pennsylvania State University (RCD)

Collared Plover - Common English name - Scientific name: Charadrius Collaris - American Ornithologists Union four-character bird identification (IBP)

Combat Outpost Line

Committee for Oil Pipe Lines - Later, AOPL

Council of Planning Librarians (SAUO)

Oakland Public Library, Oakland, CA - Library symbol - Library of Congress (LCLS)