H. Gratkowski

UIUC:30112104056855

Forests and forestry

H. Gratkowski / R. Jaszkowski / L. Armstrong

MINN:31951D02995170G

Douglas fir

H. Gratkowski

UIUC:30112104081044

Forests and forestry

H. Gratkowski

MINN:31951P01093981C

Douglas fir

H. Gratkowski

MINN:31951D02964442W

Aerial spraying and dusting in agriculture

H. Gratkowski / R. Stewart

MINN:31951D02964433X

Aerial spraying and dusting in forestry

Charles N. Mann / Daniel E. Chappelle / H. Gratkowski / James H. Patric / Jerry F. Franklin / John C. Zasada / John H. Beuter / Robert F. Tarrant / Walter Beno Bollen / C. T. Dyrness / Lyle Anderson / Peter E. Black

OSU:32435083462036

Aerial spraying and dusting in forestry

H. Gratkowski

MINN:31951D02889905O

Brush

H. Gratkowski

UOM:39015006122470

Brush

H. Gratkowski

MINN:31951D02995493S

Herbicides

H. Gratkowski

MINN:31951D02995092A

Ceanothus

H. Gratkowski / Lyle Anderson

MINN:31951D029950598

Aerial spraying and dusting in forestry

R. E. Stewart / H. Gratkowski

UIUC:30112104081218

Aerial spraying and dusting in agriculture

H. Gratkowski

MINN:31951D02995052M

Brush

Robert F. Tarrant / H. Gratkowski / William E. Waters

MINN:31951D02964435T

Forest management

Roger H. Twito

STANFORD:36105005944983

Robert H. Ruth / A. S. Harris

MINN:31951D02964559B

Sitka spruce

Alan B. Berg / Donald L. Reukema / Glenn LeRoy Crouch / H. Gratkowski / John Allen Neisess / Jon M. Skovlin / Kenneth W. Seidel / P. H. Cochran / Richard E. Miller / Roger B. Ryan / John F. Bell / Larry R. Frank / R. Jaszkowski / L. Armstrong

OSU:32435083465302

Abies concolor

Ludwig von Bogdandy / H.-J. Engell

9783662104002 / 3662104008

Science

Harold A Sabbagh / R. Kim Murphy / Elias H. Sabbagh / John C. Aldrin / Jeremy S Knopp

9781441984296 / 1441984291

Technology & Engineering

Stephen H. Spurr / Burton Verne Barnes

MINN:31951D02980687A

Nature

Aldo Starker Leopold / Reginald H. Barrett

MINN:31951D01542811D

Clearcutting

John H. Ribe

MINN:31951D00276792I

Forest genetics

Thomas B. Johansson / Birgit Bodlund / Robert H. Williams

UOM:39015064113627

Science

Eileen M. Forestell Harvey / Gina H. Mohammed / T. L. Noland / Ontario. Ministry of Natural Resources / Ontario Forest Research Institute

MINN:31951P00871073L

Competition (Biology)

Stockholm International Peace Research Institute / Arthur H. Westing

STANFORD:36105036677941

Science

Boyd E. Wickman / Brian Randolph Payne / Charles N. Mann / Don Minore / Glenn LeRoy Crouch / J. Alan Wagar / John D. Dell / John H. Beuter / John W. Henley / M. A. Radwan / Paul E. Aho / Paul J. Edgerton / Richard L. Williamson / Thomas Daniel Fahey / Walter Beno Bollen / George Russell Staebler

OSU:32435079248159

Abies concolor

Russell M. Burns / Barbara H. Honkala / United States. Forest Service

MINN:31951D01212127T

Nature

Ludwig von Bogdandy / H.-J. Engell

UCAL:B3956021

Science

H. Gratkowski

MINN:31951D02995092A

Ceanothus