https://en.wikipedia.org/wiki/Electrical_resistance_survey
starsplitter Sr. Member Jan 20, 2007 434 31 May 18, 2019 #1 https://en.wikipedia.org/wiki/Electrical_resistance_survey Amazon Forum Fav 👍 Agony and Death on a Gold Rush Steamer: The Disastrous Sinking of the Side-Wheeler Yankee Blade - Grab it through Amazon!
https://en.wikipedia.org/wiki/Electrical_resistance_survey Amazon Forum Fav 👍 Agony and Death on a Gold Rush Steamer: The Disastrous Sinking of the Side-Wheeler Yankee Blade - Grab it through Amazon!