Soil depletion estimates : version 2 : a user's guide to a personal computer model for estimating long-term onsite physical and economic impacts of soil depletion /

"January 1990"--P. iii.

Physical land conditions on the San Mateo county soil conservation district, California ...

Mode of access: Internet.

Effect of physical soil properties on cotton emergence : prediction and quantitative description / [by D. F. Wanjura].

"Agricultural Research Service ... in cooperation with Arizona and Texas Agricultural Experiment Stations."

A geographical sketch of that part of North America, called Oregon: containing an account of the Indian title;--the nature of a right of sovereignty;--the first discoveries;--climate and seasons;--face of the country and mountains--natural divisions, physical appearance and soil of each;--forests and vegetable productions;--rivers, bays; &c.; islands, &c.; animals;--the disposition of the Indians, and the number and situation of their tribes;--together with an essay on the advantages resulting from a settlement of the territory. To which is attached a new map of the country.

Mode of access: Internet.

Laboratories approved to receive soil /

Description based on: July 1992; title from cover.

Physical land conditions in Clarke county, Georgia,

In pamphlet box with 19 additional folded maps.

The physical properties of soils.

At head of title: Soil mechanics laboratory manual.

Lime-modified soil to increase subgrade stability /

"May 1983."