Preliminary determination of epicenters

New Title: PDE monthly listing
Other Authors: National Earthquake Information Service., National Earthquake Information Center.
Format: Journal
Language: English
Published: [Golden, Colo.?] : [Washington, D.C.] : U.S. Dept. of the Interior, Geological Survey, National Earthquake Information Service ; Supt. of Docs., U.S. G.P.O., distributor.
Physical Description: volumes : illustrations ; 27 cm.
Also issued via the Internet at the USGS web site. Previously available as of 12/20/02: ftp://ghtftp.cr.usgs.gov/pub/weekly/manuscript/.
Subjects:
Online Access: Under heading: Data Availability, February 1981 through August 2013--click on ftp://hazards.cr.usgs.gov/NEICPDE/olderPDEdata to access data files