Abstract

Attached are three copies each of two laboratory reports covering tests on a 50 lb. sample of processed Kentucky rock asphalt forwarded to our laboratory by Mr. C. H. McKinney. The sample arrived June 6. These reports include results of laboratory analysis and evaluation tests - and small scale road tests - to determine the proper amount of tar to be added to the processed material to produce a satisfactory road surfacing mixture.

Report Date

6-1962

Report Number

No. 190a

Digital Object Identifier

http://dx.doi.org/10.13023/KTC.RR.1962.190A

Notes

The prefatory memorandum introduces Report No. 189, "Laboratory Testing of Wet-Processed Kyrock" and Report No. 190a, "Processed Kentucky Rock Asphalt."

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