USGS - science for a changing world

Geology Discipline staff

(photo taken Oct 2002)
Peter N. Schweitzer
Midwest Region, U.S. Geological Survey
Eastern Mineral and Environmental Resources Science Center
  Mail Stop 954, National Center
  U.S. Geological Survey
  Reston, VA 20192

  Tel: (703) 648-6533
  FAX: (703) 648-6252
  LC Control # n93054925


Professional interests

Recent products

Older products

Life-history and the evolution of ontogeny in the ostracode genus Cyprideis
with G.P. Lohmann. Paleobiology volume 16, pp 107-125, 1990.
Ontogeny and habitat of modern menardiiform planktonic foraminifera
with G.P. Lohmann. Journal of Foraminiferal Research volume 21, pp. 332-346, 1991.
GREX: Graphics extension library for NDP-Fortran, NDP-C, and NDP-Pascal
A 32-bit graphics library for extended DOS written in C and i386 assembly language. The software and 375-page manual are part of the compiler products from Microway, Inc. of Kingston, Massachusetts.
XYP8, a bivariate statistical plotting program for MS-DOS-based PCs
with full source code in Fortran and 8086 Assembly language. A command-driven program with output to PC screens, HPGL, and PostScript files.

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