TY  - JOUR
T1  - A Magnetic Survey of the Fortieth Parallel in North America between the Atlantic Ocean and the Great Salt Lake, Utah
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 30
SP  - 132
EP  - 151
PY  - 1879/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1879.0098
M3  - doi:10.1098/rspl.1879.0098
AU  - Thorpe, T.
ER  -