TY  - BOOK
AU  - Hilgard,J.E.
TI  - Determination of the length of a nautical mile,
T2  - U.S. Bureau of Navigation (Navy Dept.)  Naval professional papers,
AV  - V15 .U5 no. 9
PY  - 1882///
CY  - [Washington, D.C.]
PB  - Bureau of Navigation, Navy Dept.
KW  - Mile, Nautical
N1  - Cover title; At head of title: Navy scientific papers, no. 9; "Transcript from U.S. Coast Survey report for 1881." - p. 1
ER  -