6 maps on 2 sheets ; 46 x 33 cm., sheets 101 x 122 cm. and 102 x 93 cm., folded in envelope 24 x 30 cm
OCLC
ocm03787958
Cartographic Data
Scale 1:1,000,000
(W 108⁰00ʹ--W 104⁰00ʹ/N 46⁰30ʹ--N 42⁰30ʹ).
Relief shown by spot heights.
Includes location map, text, tables, and graphs.
Includes bibliographical references.
Length of growing season -- Mean annual and monthly precipitation -- Total growing season precipitation -- Growing season consumptive water use factor -- Consumptive water use by natural vegetation -- Irrigation water requirement for natural vegetation