by Yasmina Platt Published in Midwest Flyer Magazine October/November 2022 Digital Issue Petroglyphs are rock carvings (rock paintings are called pictographs). They are images created by removing part of…
Serving the Midwest Aviation Community Since 1978
by Yasmina Platt Published in Midwest Flyer Magazine October/November 2022 Digital Issue Petroglyphs are rock carvings (rock paintings are called pictographs). They are images created by removing part of…