Books like Geological Maps
T. Bolton
Geological Maps is 152 pages, about 2 hours 47 minutes at 250 words a minute.
8 books to read next
How long each takes
Exercises in Physical Geology 4.4 h 
Maphead 5.1 h 
Midsummer Magic 7.6 h 
On the Map 8.5 h 
Petroleum Geology 11.1 h 
Earth 12.0 h 
Environmental Geology 9.7 h 
Organon 3.5 h Bar height shows length. Estimated at 250 words a minute.