Clifford Pinkney Bowie

Clifford Pinkney Bowie · Govt. Print. Off.

56 sayfa · 1920

Natural gas / Petroleum

Clifford Pinkney Bowie · U.S. Govt. Print. Off.

32 sayfa · 1929

Petroleum industry and trade

Clifford Pinkney Bowie · Govt. print. off.

32 sayfa · 1921

Sanitation / Labor camps