title: Surface Machinery and Methods for Oil-Well Pumping
title: United States Bureau of Mines Reports
title: United States Bureau of Mines Bulletin 224
creator: George, H. C.
creator: United States. Bureau of Mines.
publisher: U.S. Government Printing Office
date: 1925
language: English
type: Report
format: Text
identifier: rep-no: Bulletin 224
identifier: http://digital.library.unt.edu/ark:/67531/metadc12407/
identifier: ark: ark:/67531/metadc12407