The history of Mexico, from the Spanish conquest to the present era; containing a condensed and connected general view of the manners, customs, religion, commerce, soil, and agriculture - animal, vegetable, and mineral productions - a concise political and statistical review of the changes effected in that country, with is present form of government, &c. &c. - Also, observations, speculative and practical, as to the best means of working the Mexican mines, by a combination of British talent, capital, and machinery.

Mode of access: Internet.

Soil and water research on a claypan soil; a compilation of results of research conducted at Midwest Claypan Experiment Farm, McCredie, Mo., 1937-1962,

Prepared in cooperation with Missouri Agricultural Experiment Station.

Soil survey, Norfolk County, Virginia

In cooperation with Virginia Agricultural Experiment Station.

Soil biology primer /

"August 1999"--P. [4] of cover

Some effects of insecticide spray accumulations in soil on crop plants /

Caption title.

Nitrogen and carbon changes in Great Plains soils as influenced by cropping and soil treatments /

Chiefly tables.

Soil fertility studies in lysimeters containing Lakeland sand /

Caption title.

Aeration and other soil factors affecting southern pines as related to littleleaf disease /

Literature cited: p. 29-30.

Vegetation, soil, and cattle responses to grazing on northern Great Plains Range /

Includes bibliographical references (p. 72-74).

Bioassay of soil containing residues of chlorinated hydrocarbon insecticides : with special reference to control of Japanese beetle grubs /

Literature cited: p. 38-44.

Runoff and erosion control studies on Cecil soil in the southern Piedmont /

Caption title.

Aggregate stability of soils from Western United States and Canada; measurement procedure, correlations with soil constituents

Cover title.

Development and significance of the great soil groups of the United States /

Contribution from Bureau of Chemistry and Soils.

Soil survey manual.

cover-title.

Bibliography on soil erosion and soil and water conservation /

Includes index.