Ministry of Agriculture and Forests. Land cover atlas of Bhutan 1:250,000 : land cover and area statistics of 20 dzongkhags / - Thimphu, Bhutan : Ministry of Agriculture and Forests, 2011. - 21 p. : ill. (col. maps) ; 42 cm. ISBN: NA LC Class. No.: GD00591 Dewey Class. No.: A3.1 / MoAF Gov. Doc. Class. No.: A3.1