Help on plow terminology may be found at this Parks Canada resource: http://www.rcip-chin.gc.ca/application/dvp-pvd/appli/quest-eng.php?text=plow&btnSearch=Search Respectfully yours Paul C. Thistle Solving Museum Worker Task Saturation Blog http://solvetasksaturation.wordpress.com/2012/08/05/hello-world/ ========================================================= Important Subscriber Information: The Museum-L FAQ file is located at http://www.finalchapter.com/museum-l-faq/ . You may obtain detailed information about the listserv commands by sending a one line e-mail message to [log in to unmask] . The body of the message should read "help" (without the quotes). If you decide to leave Museum-L, please send a one line e-mail message to [log in to unmask] . The body of the message should read "Signoff Museum-L" (without the quotes).