[TT] Estimates of the United States Census Office.
[UU] Estimates of the United States Geological Survey.
[VV] Estimates of the “Mineral Industry.”
1. CAPITAL INVESTED IN MANUFACTURING AT EACH CENSUS:
1850 TO 1900
2. AVERAGE NUMBER OF WAGE-EARNERS EMPLOYED IN MANUFACTURES AT EACH CENSUS: 1850 TO 1900
3. VALUE OF PRODUCTS AT EACH CENSUS: 1850 TO 1900