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Robert R. Humphrey

Author of The boojum and its home

11 Works 35 Members

Works by Robert R. Humphrey

The boojum and its home (1974) 14 copies

90 years and 535 miles: Vegetation changes along the Mexican border (1987) 10 copies

Arizona Range Grasses: Their Description, Forage Value, and Grazing Management (1970) 3 copies

The desert grassland; a history of vegetational change and an analysis of causes 1 copy

The desert grassland; [a history of vegetational change and an analysis of causes] 1 copy

Common Arizona range grasses : their description, forage value and management 1 copy

Forage production on Arizona ranges. V. Pima, Pinal and Santa Cruz Counties 1 copy

Arizona range resources. II. Yavapai County 1 copy

Forage production on Arizona Ranges, IV. Coconino, Navajo, Apache Counties. A study in range condition. 1 copy

Forage production on Arizona ranges. III. Mohave County. 1 copy

The Desert Grassland (The Botanical Review, volume 24 number 4) 1 copy

Tagged

3 (1) Baja (2) Baja California (1) biology (1) Boojum (1) Boojums (1) book (1) botany (7) desert (1) flora (1) Fouquieria (1) grass (1) guidebook (1) illustrations (1) Mexico (3) monograph (1) natural history (2) Nature -- Mexico (1) Nature -- Southwest (1) Nature study -- Mexico (1) Nature study -- Southwest (1) non-fiction (1) plants (3) plants 31 (1) Robert Humphrey (1) rudyschmid e9 (1) rudyschmid na wi 2/sold to zubal (1) Sonoran Desert (1) Southwest (1) USA (1)

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Works: 11
Members: 35
Popularity: #405,583
Rating: 3.0

ISBNs: 4

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