OCR Text |
Show Scicntific Soil Studies Tin; Massachusetts Institute of Technology, in co-operation with the bureau of public roads of the United Slates Department of Agriculture, Is conducting si'enlillc soil studies with the object of bringing about Improvements Improve-ments In highways. Samples of soIIh from all pints of the country are now bolng collected. One of the most. Important Im-portant objects of the research Is to develop suitable! standard methods for testing soli and to study the effect ol vurlous factors on "behavior" of soils. |