SOIL SURVEY

ACKNOWLEDGEMENT SThe soil survey of Yoho National Park was conducted by Agriculture Canada ,Soil Research Institute, Soil Survey, Edmonton, in cooperation with the other membe ragencies of the Alberta Institute of Pedology . Funding for additional personnel andfor field expenses was provided by the Department of Indian and Northern Affairs ,Parks Branch, Western Region to the Alberta Institute of Pedology . The University o fAlberta provided laboratory and office space .Assistance provided by Parks Canada, Western Regional office, in particular ,D . L . Day, C . Zinkan and P . Benson, is acknowledged .The authors also wish to express their appreciation to Park Superintenden tJ . R . Pilon and his staff in Yoho National Park for their cooperation and assistance .A special thank you is expressed to the Warden Service, especially H . Shepherd ,J . Purdy and G . Rutherford for their extra efforts to assist the inventory program .Thanks to Dr . P . Kuchar for assistance and discussions related to the vegetatio ndistribution, and species composition within the Park .Recognition is extended for the able assistance of T . Vold, D . E . Peters, G . NJohnston, N . L . Miller, J . Purdy and G . Rutherford during the field work, for assist- .ance by Z . E . Widtman and J . Tajek in drafting the maps and illustrations, to J . C .Sproule and Associates Ltd . for the transfer of the soils information from the annotate daerial photographs to the base maps and for drafting, to W . C . McKean and A .Schwarzer for laboratory analyses, and to Margaret Anne Foster and Cecile Lirett efor typing .The support and cooperation of the members of the Alberta Institute ofPedology is recognized . The availability of a reservoir of professional expertis ewas invaluable to the authors in undertaking this project .Dr . W . W . Pettapiece reviewed the manuscript, and his comments wer egreatfully received .