Land Use Planning Project, Bhutan. Atlas of Bhutan 1:250,000 : land cover & area statistics of 20 dzongkhags / - Thimphu, Bhutan : Ministry of Agriculture, c1997. - 22 p. : ill. ; col. maps (some folded) ; 43 cm. ISBN: NA LC Class. No.: D386 Dewey Class. No.: 333.7313095498022