i6o 



NATURE-STUDY REVIEW 



[7:6 — Sept., 191 1 



466. Cutting Timber on the National Forests and Pro- 

 viding for a Future Supply. 

 517. Forest Planting for the Farmer. 



Unnumbered Publications 



Information Regarding Employment on the National Forests. 



5c- 



Annual Reports of the Forester. 5c. 



The Use of the National Forests (Cloth). 25c. 



Special Circular, Forestry in Nature Study. 5c. 



Maps 



Index Map of National Forests (21" by 33", paper). 

 Natural Forest Regions of North America, and Their Char- 

 acteristic Tree Growth (14" by 18", paper). 



Census Bulletin 



10. Forest Products of the United States, 1907. 



Silvical Leaflets 







I. 



Alpine Fir 



22. 



Amabilis Fir 



2. 



Port Orford Cedar 



23- 



Bristlecone Pine 



3- 



Englemann Spruce 



24. 



Bristlecone Fir 



4- 



White Fir 



25 



Cottonwood 



5- 



Lowland Fir 



26 



Foxtail Pine 



6. 



Sitka Spruce 



27 



Torrey Pine 



7- 



Noble Fir 



28 



Black Spruce 



8. 



Red Fir 



29 



Blue Spruce 



9- 



Incense Cedar 



30 



Cal. Swamp Pine 



10. 



Big Cone Spruce 



3i- 



Black Hemlock 



11. 



Giant Arborvitae 



?2 



Tamarack 



12. 



Yellow Cedar 



33 



Digger Pine 



13- 



Western White Pine 



34 



Coulter Pine 



14. 



Western Larch 



35 



Alpine Larch 



15- 



White Spruce 



36 



Knobcone Pine 



16. 



Single Leaf Pinon 



37 



White Bark Pine 



17- 



Four Leaf Pinon 



38 



Paper Birch 



18. 



Redwood 



39 



Monterey Pine 



19. 



Big Tree 



40 



•Swamp Cottonwood 



20. 



Weeping Spruce 



4i 



Chestnut Oak 



21. 



Jeffery Pine 



42 



Sugar Maple 



