Great Plains Region - CRHL - Official web page for the Great Plains region of the CRHL. Western Collegiate Roller Hockey League - Official website of WCRHL, CRHL Western Region. National Collegiate Roller Hockey League - Official Website of the NCRHL. Subdivisions of NCRHL include ECHRA, GPCIHL, MCRHL, SCHL and WCIHL. Midwest Collegiate Roller Hockey League - Official page for the Midwest division of the NCRHA. Rocky Mountain Collegiate Roller Hockey Association - The official site of the RMCRHA, the Rocky Mountain division of the National Collegiate Roller Hockey Association. Southeastern Collegiate Roller Hockey League - The official home of the Southeast division of the NCRHA. Formed from merger of the Atlantic Collegiate Roller Hockey Association (ACRHA) and Southeast Collegiate Roller Hockey Association (SCRHA).