System for measuring mail delivery performance :
System for measuring mail delivery performance : its accuracy and limits, United States Postal Service.
- [Washington, D.C., 1975].
- [4], ii, 27 p.
- Report to Congress, by Comptroller General of United States ; GGD-75-109 .
Cover title. [B--114874]. Oct. 17, 1975. Distribution made by issuing office, paper, each, $1.00. 4to. CRDP Program Historic Shelflist record.
Postal service--United States.
GA 1.13:GGD-75-109
Cover title. [B--114874]. Oct. 17, 1975. Distribution made by issuing office, paper, each, $1.00. 4to. CRDP Program Historic Shelflist record.
Postal service--United States.
GA 1.13:GGD-75-109