• Creator
  • Tiehen, Laura
  • Created Date
  • [2012]
  • Publisher
  • [Washington, D.C.] : U.S. Dept. of Agriculture, Economic Research Service
  • Description
  • Title from title screen (viewed July 11, 2012). A report from the Economic Research Service. April 2012. Charts and graphs in .PNG format additionally available as zipped files from the report home page. Includes bibliographical references (p. 20-23).
  • Format
  • Electronic resource
    Language material