Environmental benefits of conservation practices on croplandCraig A. Cox · First published 2007Open the Tome
Managing agricultural landscapes for environmental qualityCraig A. Cox · First published 2007Open the Tome
A Geologic time scaleHarland, W. B., R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith, David G. Smith (undifferentiated) · First published 1982Open the Tome