TY  - RPRT
TI  - Letter Circular 650: list of weights and measures offices of the States and District of Columbia (supersedes Letter Circular 560)
PY  - 1941
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 650
DO  - 10.6028/NBS.LCIRC.650
ER  -