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Wetland Trail Design and Construction

Robert T. Steinholtz

出版	U.S. Department of Agriculture, Forest Service, Technology & Development Program, 2001
URL	http://books.google.com.hk/books?id=M5lzllnusI0C&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

Ln this manual we have described the common techniques for building a wetland trail. We have also included information on some of the more unusual materials and tools.