The primary purpose of this bulletin is to provide instruction to Indiana county road personnel on rating the quality of soils and pit-run materials used in the construction and maintenance of county roads. A system of soil classification is presented which provides the county highway engineer, road supervisor and inspector alike, with a common language for identifying soil types, properties and problems.
soil, aggregates, field identification, plasticity, fines, gradation, drainage, frost, compaction
Date of this Version
Shurig, D. G. and Hittle, Jean E., "Field Identification of Soils and Aggregates for County Roads" (1971). Indiana Local Technical Assistance Program (LTAP) Publications. Paper 151.
County Highway Series—No. 13