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United States. Federal Highway Administration.
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2013
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Headden, William P. (William Parker)
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Colorado Agricultural Experiment Station.
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(1 - 10 of 10)
Title
How can we maintain the fertility of our Colorado soils?
Date
1905
dc.title
How can we maintain the fertility of our Colorado soils?
Title
The nitrate question in Colorado : a review for the farmer
Date
1925
dc.title
The nitrate question in Colorado : a review for the farmer
Title
A soil study. Part III, Soil
Date
1901
Title
Removal of arsenate of lead from sprayed fruit
Date
1926
Title
A soil study. Part IV, Ground water
Date
1902
Title
A peculiar soil condition in the San Luis Valley
Date
1923
dc.title
A peculiar soil condition in the San Luis Valley
Title
Sugar beets : a résumé of the work done by the agricultural experiment station of Colorado
Date
1901
Title
A soil study. Part I, Crop grown, sugar beets
Date
1898
dc.title
A soil study. Part I, Crop grown, sugar beets. Part I. Crop grown, sugar beets, Sugar beets, Soil study. Part I, Crop grown, sugar beets (Online)
Title
Irrigation waters and their effects
Date
1903
dc.title
Irrigation waters and their effects
Title
A soil study. Part II, Crop grown, sugar beets
Date
1900
dc.title
A soil study. Part II, Crop grown, sugar beets. Part II. Crop grown, sugar beets, Sugar beets, Soil study. Part II, Crop grown, sugar beets (Online)