Magical MayhemDouglas Rees, Rhonda Helms, Catherine Haines, Alex Kahler, Carol Wolf, Mark London Williams, Anna-Marie McLemore, Lynda K. Scott, H. Scott Beazley, Linda Wisdom · First published 2012Open the Tome
The history of snow survey and water supply forecastingDouglas Helms · First published 2008Open the Tome
The History Of Snow Survey And Water Supply Forecasting Interview With U.S. Department Of Agriculture PioneersDouglas Helms,Steven E. Philips,Paul F.Reich · First published 2008Open the Tome
Interviews with chiefs of the Soil Conservation ServiceDouglas Helms · First published 1994Open the Tome
The history of agriculture and the environmentDouglas Helms, Douglas E. Bowers · First published 1993Open the Tome
Readings in the history of the Soil Conservation ServiceDouglas Helms · First published 1992Open the Tome
The History of soil and water conservationDouglas Helms, Susan Flader · First published 1985Open the Tome
Geographic location and enlistment propensity of young menRobert M Bray, Douglas L. Fountain, Barbara J. York, Rick L Williams, Robert F. Helms, Defense Manpower Data Center (U. S.)Open the Tome
Patterns and trends in propensity to enlist in the militaryRobert M Bray, Thomas R Curtin, Barbara J York, Rick L Williams, Robert F Helms, Douglas L Fountain, Defense Manpower Data Center (U. S.)Open the Tome
