The book itself was printed in the 1969 and titled Urban Planning Aspects of Water pollution Control. The only connection I can see between the subject and coloring-in is the desire to change something rather stale into an almost decorative object. To make it rough and inconsistent - like nature.
These are just a few of the images.
"sludge, lagoons, and a whale"
All ink, pen, graphite, pencil on/in found object. 6"x10"