Original caption: "PLATE VIII.  Map showing mines in northern Monroe county."  The city is <a href="https://en.wikipedia.org/wiki/Albia,_Iowa" class="extiw" title="en:Albia, Iowa">en:Albia, Iowa</a>.  Mines have been tinted red by the uploader.  The railroads shown on the map are:  CRI&amp;P <a href="https://en.wikipedia.org/wiki/Chicago,_Burlington_and_Quincy_Railroad" class="extiw" title="en:Chicago, Burlington and Quincy Railroad">en:Chicago, Burlington and Quincy Railroad</a>, CB&amp;Q <a href="https://en.wikipedia.org/wiki/Wabash_Railroad" class="extiw" title="en:Wabash Railroad">en:Wabash Railroad</a>, CM&amp;StP <a href="https://en.wikipedia.org/wiki/Chicago_and_North_Western_Railway" class="extiw" title="en:Chicago and North Western Railway">en:Chicago and North Western Railway</a>, and <a href="https://en.wikipedia.org/wiki/Iowa_Central_Railway" class="extiw" title="en:Iowa Central Railway">en:Iowa Central Railway</a>.  Former coal mining camps include Hiteman, Buxton, Bluff Creek, Lockman, Coalfield and Hynes.
Henry Hinds
The Coal Deposits of Iowa, Chapter I of <a rel="nofollow" class="external text" href="https://books.google.com/books?id=1BUMAAAAYAAJ&amp;lpg=PA484&amp;pg=PA231">Iowa Geological Survey Annual Report, 1908</a>