All by itself

 

In the sidewalk

 

A survey marker in the sidewalk bears little notice but performs an important duty when called to do so.

 

Survey marker

Survey marker in the sidewalk

A hardwired marker installed in the sidewalk provides accurate survey positional data.

Survey marker detail

Despite its location in a busily traversed thoroughfare, the marker has not been polished by the foot traffic.

Ever Wear Concete

Ever Wear Concrete

Although worn down, the date in the middle is 1915.  The business is still in business, now a concrete corporation.  The result of their labors lives on.