TY - BOOK TI - Helmand-Arghandab Valley irrigation system : a change assessment, 1973-1990 / prepared by Development Alternatives and Earth Satellite Corporation U1 - Pamphlet HD 1741 .A332 .H456 /1993 CY - Bethesda, Maryland : Development Alternatives, 1993. KW - Irrigation – Afghanistan – Hilmand KW - Hilmand Valley – Planning. KW - Irrigation canals and flumes – Afghanistan – Hilmand KW - Water – Afghanistan – Hilmand – Distribution. KW - Water resources development – Afghanistan – Hilmand N1 - Notes “February 1993”.; Spiral bound.; “Afghanistan agricultural sector support project; private sector agribusiness funded by the United State [sic] Agency for International Development, Contract no. 306-0204-C-00-9829-00”–t.p UR - http://dx.doi.org/10.2458/azu_acku_pamphlet_hd1741_a332_h456_1993 ER -