The program was aired over the NBC Blue Network. Since then, speculations have continued to run riot, and the work of scientists has advanced but slowly. Details about how you may become involved and participate are near the end of this article. Other carvings are of circles, squares, stick figures of people and animals, foot or hand prints, bird tracks and, perhaps, boundary markers and clan and fertility symbols.
Most carvings are simple but some are rather elaborate.
Rock paintings are often called petroglyphs when in fact they are pictographs, a closely related Greek word meaning picture writing. Pictographs denote that type of writing in which objects and events are represented pictorially on any kind of surface, including rock. In South Carolina it is likely that any paintings made by prehistoric peoples have long since fallen victim to our inhospitable climate. When we think of petroglyphs we most often think of those made by American Indians of our western states, or the natives of Australia or Africa as those are the places where petroglyphs have been best documented and subsequently the public is more aware of their presence. Petroglyphs are found in every region of the United States.