"c VAR 0093 03080 AIN OUR 3R 920-939 MD= 1E-37 " "c REF 0093 LOC 798 WIDTH 9 DK 13 COL 44-52 " "c " "c " "c FREIGHT TRAIN-HOURS " "c ------------------- " "c " "c NBER SERIES: 03080 " "c AREA COVERED: GREAT BRITAIN " "c UNITS: THOUSANDS OF HOURS " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 " "c MONTHLY COVERAGE: 01/1920-12/1931 " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: MINISTRY OF TRANSPORT, SUCCESSIVE ISSUES OF " "c "RAILWAY STATISTICS" " "c " "c NOTES: DURING PROCESSING IT WAS DISCOVERED THAT MONTHLY AND " "c QUARTERLY FIGURES FOR 1931 AS PROVIDED BY NBER DO NOT AGREE, " "c BUT DATA HAVE NOT BEEN CHANGED. THE ANNUAL FIGURE PROVIDED " "c HERE WAS COMPUTED FROM MONTHLY DATA. " "c " "c CHECKED MANUALLY; NO CORRECTIONS NECESSARY. " "c " "c ............................................................... "