A symposium entitled "Recent Advances in Middle Carboniferous Biostratigraphy" was held at Stillwater, Oklahoma, on March 5, 1990 , as part of the annual meeting of the South-Central Section, Geological Society of America.
Agricultural laborers with disabilities--Services for--Oklahoma--Periodicals.;Farmers--Services for--Oklahoma--Periodicals.
title varies: Oklahoma AgrAbility;title through v.6 no. 3: Oklahoma AgrAbility newsletter : promoting success in agriculture for people with disabilities and their families;title: Access to agriculture