Noun
Qtrs. (uncountable)
(US, military, in postal addresses) Abbreviation of quarters used when addressing mail.
{| style="border-spacing: 1.5em 0;margin-bottom:1em;font-family:Mono"
|-
! Route
! Location
! Arr/Dep
! Time
|-
| C4
| Ft. Clayton Elementary School
| Dep
| 1035
|-
|
| Ft. Clayton, Qtrs. 900, 906, 919, 915
| Arr
| 1041
|
|-
|
| Ft. Clayton, Hospital Rd. Qtrs. 474
| Arr
| 1043
|
|-
| UI2
| Los Rios Elementary School
| Dep
| 1335
|-
|
| Curundu, Contractor Area Qtrs 2320
| Arr
| 1408
|}(newspaper preserved by the Panama Canal Museum and the George A. Smathers Libraries.)