U.S. Patent No. 747,322 "Spudding and pipe-driving machine".
U.S. Patent No. 747,322 "Spudding and pipe-driving machine".
A view of early exploration at Spindletop.
1/4 #OnThisDay in 1903, U.S. Patent No. 747,322 was granted to Pattillo Higgins for a “Spudding and pipe-driving machine”.
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