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Publication Extents

Not all publications have extents, not all extents are completely accurate
Extent and frequency of inundation on the Perkiomen Creek flood plain from Green Lane Reservoir to the Schuylkill River (near Oaks, Pennsylvania)
William F. Busch
1969, Open-File Report 69-29
This is the fourth report on the extent and frequency of inundation prepared for the Delaware River Basin Commission. The first of these reports covered floods on the Delaware River in the vicinity of Easton, Pennsylvania and Phillipsburg, New Jersey. The second covered a reach of the Schuylkill River from...
Preliminary geologic interpretation of aeromagnetic data in the Nixon Fork district, Alaska
Lennart A. Anderson, Bruce L. Reed, Gordon R. Johnson
1969, Open-File Report 69-9
An aeromagnetic map covering 480 square miles was compiled for the Nixon Fork district, which is located approximately 35 miles northeast of McGrath, Alaska. The survey was flown in search of concealed intrusive rocks which may have produced contact metamorphic deposits in limestone similar to the known lode deposits which...