"c VAR 0728 XXXXX LOCOMOT 3S 920-942 MD= 1E-37 " "c REF 0728 LOC 2724 WIDTH 9 DK 44 COL 17-25 " "c " "c " "c UNSERVICEABLE LOCOMOTIVES ASSIGNED TO FREIGHT SERVICE, CLASS " "c I RAILROADS, SEASONALLY ADJUSTED " "c ------------------------------------------------------------ " "c " "c NBER SERIES: 01264 " "c AREA COVERED: U.S. " "c UNITS: NUMBER OF LOCOMOTIVES " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: 02/1920-04/1942 " "c SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER " "c SOURCE: 1920-1934 DATA ARE FROM INTERSTATE COMMERCE " "c COMMISSION, FREIGHT AND PASSENGER SERVICE OPERATING " "c STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES; " "c 1935-1942 DATA ARE FROM ICC, MOTIVE POWER AND CAR EQUIPMENT " "c OF CLASS I STEAM RAILWAYS IN THE UNITED STATES. " "c " "c NOTES: DAILY AVERAGES ARE USED THROUGH JANUARY 1935. " "c THEREAFTER, MIDMONTH FIGURES WERE COMPUTED BASED ON END OF " "c MONTH DATA. " "c NEW YORK CENTRAL FIGURES ARE NOT AVAILABLE, 02-12/1920; " "c MISSOURI-PACIFIC FIGURES ARE NOT AVAILABLE, 02-03/1920; " "c FORT SMITH AND WESTERN ARE NOT AVAILABLE, 03/1920. " "c SWITCHING AND TERMINAL COMPANIES ARE EXCLUDED THROUGH " "c DECEMBER 1936. THEY ARE INCLUDED THEREAFTER BEGINNING IN " "c FEBRUARY 1937. THE JANUARY 1937 FIGURE IS THE AVERAGE OF " "c THE 12/1936 AND 02/1937 FIGURES. " "c SERIES 01264 IS COMPUTED BY NBER BY SUBTRACTING SERIES " "c 01251 (SERVICEABLE LOCOMOTIVES ASSIGNED TO FREIGHT SERVICE) " "c FROM SERIES 01250 (TOTAL LOCOMOTIVES ASSIGNED TO FREIGHT " "c SERVICE). THE NOTES AND SOURCES GIVEN ABOVE ARE FROM THOSE " "c TWO SERIES. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c ............................................................... "