Computation of times of sunrise, sunset, and twilight in or near mountainous terrain

An edition of Computation of times of sunrise, sunset, and twilight in or near mountainous terrain (1977)

Computation of times of sunrise, sunset, and twilight in or near mountainous terrain

By Bill C Ryan

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Publish Date

1977

Publisher

Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

Language

eng

Pages

Description:

subjects: Sun, Twilight, Rising and setting