26.
Report on Investigations to Determine the Cause of Unhealthy Conditions of the Spruce and Pi...
by Hopkins, Andrew Delmar
ISBN: 9781235969454
List Price: $19.99
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Black Hills Beetle : With Further Notes on Its Distribution, Life History, and Methods of Co...
by Hopkins, Andrew Delmar
ISBN: 9781166911683
List Price: $12.76
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Dying of Pine in the Southern States : Cause, Extent, and Remedy (1911)
by Hopkins, Andrew Delmar
ISBN: 9781167033513
List Price: $12.76
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Hessian Fly in West Virginia and How to Prevent Losses from Its Ravages
by Hopkins, Andrew Delmar
ISBN: 9781166271428
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Insect Enemies of the Spruce in the Northeast : A Popular Account of Results of Special Inve...
by Hopkins, Andrew Delmar
ISBN: 9781161790207
List Price: $32.95
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Hessian Fly in West Virginia and How to Prevent Losses from Its Ravages
by Hopkins, Andrew Delmar
ISBN: 9781162038643
List Price: $30.95
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Black Hills Beetle : With Further Notes on Its Distribution, Life History, and Methods of Co...
by Hopkins, Andrew Delmar
ISBN: 9781162179544
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Redwood : A Study of the Redwood, the Brown Rot Disease of the Redwood, Insect Enemies of th...
by Fisher, Richard Thornton, S...
ISBN: 9781162249483
List Price: $31.95
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Dying of Pine in the Southern States : Cause, Extent, and Remedy (1911)
by Hopkins, Andrew Delmar
ISBN: 9781162218205
List Price: $30.95
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Insect Enemies of the Spruce in the Northeast: A Popular Account of Results of Special Inves...
by Hopkins, Andrew Delmar
ISBN: 9781436882330
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Insect Enemies of the Spruce in the Northeast
by Hopkins, Andrew Delmar
ISBN: 9781151475190
List Price: $12.65
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Catalogue of West Virginia Scolytidae and Their Enemies: With List of Trees Anb Shrubs Attacked
by Hopkins, Andrew Delmar
ISBN: 9781144369307
List Price: $16.75
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Preliminary Report on the Insect Enemies of Forests in the Northwest
by Hopkins, Andrew Delmar
ISBN: 9781151401946
List Price: $15.98
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Insect Enemies of the Spruce in the Northeast: A Popular Account of Results of Special Inves...
by Hopkins, Andrew Delmar
ISBN: 9781144927071
List Price: $19.75
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Locust Borer and Methods for Its Control
by Hopkins, Andrew Delmar
ISBN: 9781120899699
List Price: $15.95
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Redwood : A Study of the Redwood, the Brown Rot Disease of the Redwood, Insect Enemies of th...
by Fisher, Richard Thornton, S...
ISBN: 9781120921987
List Price: $16.95
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Practical Information on the Scolytid Beetles of North American Forests : Barkbeetles of the...
by Hopkins, Andrew Delmar
ISBN: 9781148945613
List Price: $24.75
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The Periodical Cicada or Seventeen-Year Locust in W. Virginia
by Hopkins, Andrew Delmar
ISBN: 9780217503600
List Price: $13.14
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The Black Hills Beetle: With Further Notes On Its Distribution, Life History, And Methods Of...
by Hopkins, Andrew Delmar
ISBN: 9781120729637
List Price: $15.95
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The Dying Of Pine In The Southern States: Cause, Extent, And Remedy (1911)
by Hopkins, Andrew Delmar
ISBN: 9781120757166
List Price: $15.95
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Practical Information On The Scolytid Beetles Of North American Forests: Barkbeetles Of The ...
by Hopkins, Andrew Delmar, And...
ISBN: 9781343172371
List Price: $23.95
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Insect Enemies Of The Pine In The Black Hills Forest Reserve: An Account Of Results Of Speci...
by Hopkins, Andrew Delmar, And...
ISBN: 9781343124882
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Report On Investigations To Determine The Cause Of Unhealthy Conditions Of The Spruce And Pi...
by Hopkins, Andrew Delmar, And...
ISBN: 9781343468184
List Price: $25.95
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Technical Papers on Miscellaneous Forest Insects : III. a Revision of the Powder-Post Beetle...
by Kraus, Ezra J., Hopkins, An...
ISBN: 9781346583860
List Price: $19.95