USHPA Magazine Archives - Ground Skimmer - Members Only
The Southern California Hang Gliding Association (SCHGA) and later US Hang Gliding Association (USHGA) Ground Skimmer publication. May 1972- October 1976
The Southern California Hang Gliding Association (SCHGA) and later US Hang Gliding Association (USHGA) Ground Skimmer publication. May 1972- October 1976