>L0, 9 



CONTENTS 



Page. 



Introduction , 8 



Purpose of the Study, ' 9 



Forest Conditions, 10 



Importlance of Manufacturing, 12 



Future Timber Supply, 12 



Scope of the Study, 13 



Part I. 



Kinds of Wood, 14 



The Woods Grown in Pennsylvania, 17 



Specific Descriptions, 18 



SOFTWOODS 19 



Pines , 19 



Hemlocks , 27 



Cypress, 28 



Spruce, 29 



Douglas Fir, 30 



Cedars , 31 



Redwood, 32 



Tamarack 33 



Balsam Fir 33 



^"THE HARDWOODS, 33 



V Oaks, 34 



( T Yellow Poplar , 35 



Maples, 37 



Chestnut, : 39 



Beech 40 



Red Gum, 42 



Basswood , 43 



Birches, 44 



Hickories , 45 



Ashes, 47 



Elms, 48 



jx^'^ Cottonwood, 49 



7^ Gums, 50 



^"^ Cherry, 52 



' i Black Walnut, 52 



^ Sycamore 53 



<:;^ Hornbeam. 54 



Black Locust, 55 



Cucumber, 55 



^ Buckeye, 56 



Q< Applewood, 57 



'^^ip Dogwood, 57 



^ Persimmon, 58 



Butternut , 58 



Minor Species, 59 



Foreign Woods, 59 



Description of Qualities, 60 



Part II. 



INDUSTRIES, 61 



Planing Mill Products 63 



Boxes, 65 



Car Construction, 68 



(3) 



