"c VAR 0701 08157 HOURWRK 3R 921-943 MD= 1E-37 " "c REF 0701 LOC 870 WIDTH 9 DK 14 COL 53-61 " "c " "c " "c TOTAL MAN-HOURS WORKED-ALL EMPLOYEES ON HOURLY BASIS, CLASS " "c I STEAM RAILROADS (INCLUDING SWITCHING AND TERMINAL " "c COMPANIES). " "c ----------------------------------------------------------- " "c " "c NBER SERIES: 08157 " "c AREA COVERED: U.S. " "c UNITS: THOUSANDS OF SERVICE HOURS " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: 07/1921-08/1943 " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: INTERSTATE COMMERCE COMMISSION, BUREAU OF LABOR " "c STATISTICS, AND NATIONAL BUREAU OF ECONOMIC RESEARCH, THE " "c SUM OF"COMPUTED-TOTAL TIME ACTUALLY WORKED BY ALL EMPLOYEES " "c AND CONSTRUCTIVE ALLOWANCES FOR TRANSPORTATION TRAINS AND " "c ENGINE-WAGES STATISTICS FOR THE CLASS I STEAM RAILROADS IN " "c U.S." " "c " "c NOTES: DATA FOR JULY 1921 THROUGH DECEMBER 1932 INCLUDE " "c SWITCHING AND TERMINAL COMPANIES; DATA FOR JANUARY 1933 " "c THROUGH SEPTEMBER 1942 EXCLUDE THEM. " "c " "c CHECKED MNAUALLY; NO CORRECTIONS NECESSARY. " "c "