Input requirements per dollar output have been derived for the mineral extraction industries. The aim was to develop a unique set of input coefficients for each state. Six input-output industries are included in the mining sector: I0-5, Iron & ferroalloy ores mining; I0-6, Nonferrous metal ores mining; I0-7, Coal mining; I0-8, Crude petroleum & natural gas; I0-9, Stone & clay mining & quarrying; and I0-10, Chemical & fertilizer mineral mining. To a greater or lesser extent, every state produces output in one or more of these industries.
Kubarych, Roger, "Estimation of 1963 Input Requirements for the Mining Industries" (1970). Accounts and Data. 7.