Over the course of 25 years beginning in 1987, Dr. Charles L.W. Leider and a team of students studied, documented and drew original layouts of 18 cultural sites. The findings are published in Leider's latest book, "Historic Cultural Landscapes of
New and experienced growers and gardeners who want to learn more about organic and sustainable production practices are invited to attend the 2018 Organic Oklahoma Conference Oct. 10-11 in Oklahoma City.