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CAPAMP. Volume 1: British Columbia Ministry of Environment and Parks Thematic Mapping Geographic Information System: Data Entry and Validation Procedures for Soil, Agriculture Capability, Surficial Geology and

British Columbia. Ministry of Environment and Parks

出版	1987
URL	http://books.google.com.hk/books?id=c4-stgAACAAJ&hl=&source=gbs_api