Earthquake investigation in the United States
Contributors: Heck, N. H. 1882-1953
Edition: (Revised, 1929) By N. H. Heck, chief Division of terrestrial magnetism and seismology
Series: Serial (U.S. Coast and Geodetic Survey) -- no. 456
Publisher: U.S. Govt. print off.
Published: 1929
Place of publication: Washington
Language: eng
Number of pages: 21
Subjects: Earthquakes -- United States
Notes: At head of title: Serial no. 456. Department of commerce. R. P. Lamont, secretary. U.S. Coast and geodetic survey. R. S. Patton, director