entitled, Fossil Flora and Fauna of
the Pennsylvanian Period, Will County, Illinois by George Langford (1876-1964) Return
collection site, types of deposits,
and sketches of
some of the fossils found there, pp 14-15.
handwritten description of the structure of the Wilmington pit walls.
of some of the various types of Mazon Creek fossil plants
of the original page 14 is here; page
15 is here. The original pages were letter size
but the images may have been cropped slightly.
To view any of the above images at full resolution (300 dots per inch
instead of 100 as on the full-page images) right-click on the image and