https://drive.google.com/open?id=18Yszh6fOsiwjxoFszSwB_6zFjOY&usp=sharing - map of fire station in Yolo County California - created March 21, 2017 by zerg90 at gmail.com
http://www.yeca911.org/Bid%20and%20Contracts/Knights%20landing/Knights%20Landing%20GeoTech%20Report%20-%2008132009.pdf - 2009 - soil study for radio tower
http://www.yeca911.org/Knights%20Landing%20RFP.html - Knights Landing Tower Project - RFP documents
http://www.yeca911.org/Bid%20and%20Contracts/Port%20of%20West%20Sac/Port%20of%20W%20Sac%20-%20Technical%20Specs%20-%20Vol%20II.pdf - Port of Sacramento radio tower soil study