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Roads--Design and construction
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Colorado. Division of Probation Services.
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Headden, William P. (William Parker)
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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 waters of the Rio Grande : a contribution to the hydrology of the San Luis Valley, Colorado
Date
1917
dc.title
The waters of the Rio Grande : a contribution to the hydrology of the San Luis Valley, Colorado
Title
Colorado irrigation waters and their changes
Date
1903
dc.title
Colorado irrigation waters and their changes
Title
A study of Colorado wheat
Date
1916
dc.title
A study of Colorado wheat, Study of Colorado wheat (Online)
Title
Effects of clover and alfalfa : a comparison of legume culture with fallow culture
Date
1930
dc.title
Effects of clover and alfalfa : a comparison of legume culture with fallow culture
Title
The deterioration of manures under semi-arid conditions
Date
1910
dc.title
The deterioration of manures under semi-arid conditions
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
The fixation of nitrogen in Colorado soils : the distribution of the nitrates and their relation to the alkalis
Date
1913
dc.title
The fixation of nitrogen in Colorado soils : the distribution of the nitrates and their relation to the alkalis
Title
Effects of clover and alfalfa in rotation
Date
1930
dc.title
Effects of clover and alfalfa in rotation
Title
The fixation of nitrogen in some Colorado soils : a further study
Date
1910
dc.title
The fixation of nitrogen in some Colorado soils : a further study
Title
A soil study. Part III, Soil
Date
1901
Title
Deterioration in the quality of sugar beets due to nitrates formed in the soil
Date
1912
dc.title
Deterioration in the quality of sugar beets due to nitrates formed in the soil
Title
Removal of arsenate of lead from sprayed fruit
Date
1926
Title
The properties of Colorado wheat
Date
1918
dc.title
The properties of Colorado wheat
Title
A soil study. Part IV, Ground water
Date
1902
Title
The fixation of nitrogen in Colorado soils : a study of the Wellington district, Larimer County, Colorado
Date
1921
dc.title
The fixation of nitrogen in Colorado soils : a study of the Wellington district, Larimer County, Colorado
Title
A study of Colorado wheat
Date
1915
dc.title
A study of Colorado wheat, Study of Colorado wheat (Online)
Title
Alkalis in Colorado : including nitrates
Date
1918
dc.title
Alkalis in Colorado : including nitrates
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
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