http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Historical statistics of the gas industry
a complete record of statistics relating to energy reserves, production, transmission and distribution, underground storage, customers, sales, revenues, utilization, finance, labor, prices, Canadian data
Cop. 1 has 1960 supplement (iv. 28 cm.) in pocket.