Iowa State University. Soil Physics Laboratory / Don Kirkham / William L. Powers / Daniel D. Fritton

OCLC:30685014

Soil physics

Don Kirkham

OCLC:977055502

Soil physics

Don Kirkham / William L. Powers

UOM:39015012055821

Science

Don Kirkham

OCLC:459786719

Jan Van Schilfgaarde / Richard K. Frevert / Don Kirkham

UIUC:30112019571048

Agriculture

Don Kirkham / William L. Powers

OCLC:30684836

Soil physics

Ben L. Grover / Don Kirkham

UIUC:30112019571717

Agriculture

H. G. Thomasson / Don Kirkham

OCLC:45450827

Soil permeability

Bernard J. Bowlen / Earl Orel Heady / Edna Douglas / Fred Homer Wiegmann / J. A. Zoellner / Jan Van Schilfgaarde / John Parry Dodds / Landy Boyd Altman / Owen Lavar Brough / Virgil Lee Hurlburt / E. H. Jebe / Geoffrey Seddon Shepherd / J. M. Scholl / K. R. Marvin / Oscar Kempthorne / Richard K. Frevert / Don Kirkham / Elliott S. Clifton / Russell Oscar Olson

UIUC:30112019567327

Agriculture

Don Kirkham

OCLC:38094319

Soil physics

Jan Van Schilfgaarde / Don Kirkham / Iowa State College. Agricultural and Home Economics Experiment Station / Richard K. Frevert

ERDC:35925002141585

Ditches

Don Kirkham / Helmy Mohammed Ahmed Bakr

OCLC:37496388

Drainage

A. J. Englehorn / Alvin Charles Egbert / Ben L. Grover / George Wells Ladd / Lee G. Burchinal / Loren A. Ihnen / R. H. Shaw / Walter R. Butcher / Earl Orel Heady / Don Kirkham / James E. Martin / Ward W. Bauder / William Duncan Shrader / John T. Pesek / Ray F. Brokken

UIUC:30112041929065

Agricultural machinery

D. Kirkham

OCLC:67635483

Don Kirkham / United States. Office of Water Resources Research / Iowa State Water Resources Research Institute

OCLC:13567319

Soil moisture

Don Kirkham / Tippetts-Abbett-McCarthy-Stratton / Turkey. Devlet Su İşleri Genel Müdürlüğü

OCLC:39273622

Drainage

Norris Ledford Powell / Don Kirkham

OCLC:1656883

Soils

Mohamed Asseed / Don Kirkham

OCLC:1048608325

Irrigation water

Don Kirkham / S. B. Affleck

OCLC:11870882

Groundwater

Don KIRKHAM

OCLC:561681371

Don Kirkham

LCCN:38021635

Nancy Chivers Riddell / Don Kirkham

OCLC:37381339

Bessel functions

Don Kirkham / Iowa State Water Resources Research Institute

OCLC:26187605

Groundwater

M. Y. Khan / Don Kirkham / United States. Office of Water Resources Research

OCLC:860225

Groundwater flow

Ben L. Grover / Don Kirkham

OCLC:17639296

Drainage

Don Lerch

9781491704776 / 1491704772

Nature

Don Kirkham / William L. Powers

UOM:39015012055821

Science

Don Kirkham / S. B. Affleck

OCLC:883712767

Jan Van Schilfgaarde / Richard K. Frevert / Don Kirkham

UIUC:30112019571048

Agriculture

Ben L. Grover / Don Kirkham

UIUC:30112019571717

Agriculture