File ID	Start Date	End Date	Keywords

35700601.pdf	1970-06-01	1970-06-30

35700701.pdf	1970-07-01	1970-07-31

35700801.pdf	1970-08-01	1970-08-31

35700901.pdf	1970-09-01	1970-09-30

35701001.pdf	1970-10-01	1970-10-31

35701101.pdf	1970-11-01	1970-11-30

35701201.pdf	1970-12-01	1970-12-31

35710101.pdf	1971-01-01	1971-01-31

35710201.pdf	1971-02-01	1971-02-28

35710301.pdf	1971-03-01	1971-03-12