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VOL. 4, NO.2 WINTER, 1971-72 JOSEPH L. SHIELY, SR. 1884-1972 When Joe Shiely passed away January 15th, it was a measure of the man that the people who knew him best recalled him in a variety of ways. A gentleman. "...3 gentleman whom we loved and admired. He lived a most fruitful and productive life, loving his family and serving his community so well." A leader. "He cut quite a swath in his time and left his mark not only in Minnesota, but allover the United States." A pioneer. "His contributions to the construction industry over many years have made all of us respect and admire him." A citizen. "I have watched the Minnesota scene fo! a good many years and to me he was Mr. St. Paul, the builder, the patriotic citizen in the forefront." An unabashed Irishman. "No more will Joe's gravel voice lift itself into those old Irish ballads in uni~ son with actor Pat O'Brien as they sang happiness through the hospitals and nursing homes of the city in St. Patrick's week." A man with a legacy for us all. "If I should give advice to those who follow our trail, it is that I hope God gives them the serenity of accepting the things they cannot change, the courage to change the things they can change, and the wisdom to know the dif- ference." Highway Department Tests Limestone Base The Minnesota Highway Department is now conduct- ing a two-year field study to evaluate limestone base for highway construction. Desig~ nated Special Study No. 323, it will attempt to determine the granular equivalen.cy (G.E.) factor of 100% crushed limestone base mater- ial relative to Minnesota High~ way Department Class 5 and 6 granular base material. In the fall of 1971, test sections were constructed on T.H. 14 hetween the east junction of T.H. 19 and T.il. 282 near Prior Lake. The sec- tions have various thicknesses and types of base and subbase materials. Some sections are under-designed compared to the standard design for the project) and as such) will deteriorate at different rates. All sections will be evaluated each year or at other appro~ priate -intervals for traffic, ser- viceability and strength. The Minnesota flexible pavement design procedure uses the granular equivalent con;cept to derme pavement structure. The granular equiv~ alent is a ratio of strength of a unit thickness of any flex- ible pavement component to the strength of the same unit thickness of class 5 or 6 gran~ ular base material. G.E. factors used in Minnesota have been determined primar. ily from experience in Min~ nesota and other locations. In one of the Highway Department's earlier investi- gations, it was recommended that the use of present gran~ (Continued on Page 2)