Book 231 Government Document 131 Conference Proceeding 10 Thesis 6 Serial 5

S - Agriculture 79 Q - Science 14 A - General Works 4 Z - Library Science 3 G - Geography, Anthropology, Recreation 1 T - Technology 1

United States Forest Service 39 Canada/United States Spruce Budworms Program 37 Northeastern Forest Experiment Station (Radnor, Pa.) 29 United States Cooperative State Research Service 21 Jennings, Daniel T 12 Pacific Northwest Forest and Range Experiment Station (Portland, Or.) 12 United States State and Private Forestry. Northeastern Area 9 Canadian Forestry Service 7 Grimble, David G 6 Houseweart, Mark W 6 Lake States Forest Experiment Station (Saint Paul, Minn.) 5 Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.) 5 Paré, Germain 5 Poulin, Henriel 5 Brann, Thomas B 4 Cunningham, John C 4 Dimond, John B 4 Pacific Northwest Research Station (Portland, Or.) 4 Robertson, Jacqueline L 4 Schmitt, Daniel M 4 Solomon, Dale S 4 United States Forest Pest Management. Methods Application Group 4 Williams, Carroll B 4 Batzer, Harold O 3 Bean, J. L 3 Bean, James L 3 Carolin, V. M (Valentine M.), 1918- 3 Crawford, Hewlette S., 1931- 3 Gibbs, K. Elizabeth 3 Lewis, Franklin B 3 see all ...

English 228 French 13

Congresses 15 Bibliography 8 Conference papers and proceedings 6 Internet resource 6 Periodicals 5 Handbooks, manuals, etc 4 Identification 4 Maps 4 Academic Dissertation 1 Academic theses 1 Cartes géographiques 1 Case history 1 Case studies 1 Catalogs 1 Directories 1 Electronic government information 1 Field guides 1 Government publications 1 History 1 Identification guides 1 Statistics 1 Thèses et écrits académiques 1 see all ...

United States 49 Maine 30 Canada 17 North America 11 Québec (Province) 9 Minnesota 7 New Brunswick 5 Ontario 5 Montana 4 Oregon 4 Idaho 3 Lake States 3 Mississippi 3 Newfoundland and Labrador 3 Washington (State) 3 Wisconsin 3 Alaska 2 British Columbia 2 California 2 Netherlands 2 Northeastern States 2 Québec (Province) 2 Alberta 1 Bitterroot National Forest 1 Bitterroot National Forest (Mont. and Idaho) 1 Canada, Eastern 1 Colorado 1 Footner Lake Forest 1 Great Lakes Region (North America) 1 Nevada 1 see all ...