blacktop/macadam

[James Smith]

Then there's the term "asphalt concrete", which is
used in many bid specifications for asphalt.  It
confused me the first time I saw it, wondering if it
was offering an option between concrete or asphalt at
the bidders discretion.

To me, "tarmac" is always associated with airfields.

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James D. SMITH                 |If history teaches anything
South SLC, UT                  |it is that we will be sued
jsmithjamessmith at yahoo.com     |whether we act quickly and decisively
                               |or slowly and cautiously.

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