The book is illustrated with silk-screened images on thick paper.
Geological Survey of Ohio Vol II Part I Geology Newberry 1874 Ohio State maps
This travel guide is illustrated with local artwork from each region.
The book is illustrated with black-and-white sketches that feel elegant.
You will notice that the illustrated headers change with each chapter.
A nice touch is the illustrated dedication page with tiny stars.
What stands out is the illustrated slipcase that holds the set.