technical report: OHIO OIL co LITHOFACIES MAPS #58-11R, w great individual maps

Description

CHECK MY OTHER ITEMS AND FEEDBACK, you will be happy.
---vintage Original item, from THE OHIO OIL COMPANY who i think became Marathon Oil, Denver research center, a technical report, very clean and nice.  the first two number of the report # are the year it is from, VERY INTERESTING AND SCARCE ITEM.
this one is authored by: D B MacKenzie, 77 single sided pages plus the maps shown, i opened one up totally, very cool, but filled with info above my pay grade.  LOVE IT
i dispatch my items quickly and safely, no worries.
david (syottoys)
so i can find your item--clear plastic box (medium size) CATALOGS on top of small box side.