Dale Martin was active/lived in Oklahoma. Dale Martin is known for figure, landscape, animal, still life.
Biography Dale Martin
Dale Martin of Cushing, Oklahoma is a Master Pastelist of the Pastel Society of America and a Signature member of the Pastel Society of the West Coast, Oklahoma Society of Impressionists, the Northwest Pastel Society and Knickerbocker Artists,
Source: The Pastel Journal, January/February 2003