99. Questions?
Thank you for your attention!
Brian Gongol
DJ Gongol & Associates
515-223-4144
brian@gongol.net
@djgongol on Facebook and Twitter
www.gongol.net or www.djgongol.com
100. Credits
Saturn from NASA
https://www.nasa.gov/jpl/cassini/pia18295
Bedrock aquifers from Iowa Geological Survey
https://www.iihr.uiowa.edu/igs/silurian-devonian-aquifer/
San Francisco real estate (retrieved Feb. 1, 2018):
https://www.trulia.com/real_estate/San_Francisco-California/market-trends/
Drawdown graph and photo of well in a parking lot from USGS
https://pubs.usgs.gov/sir/2010/5212/pdf/sir2010-5212.pdf
Many photos, drawings, and engineering data items were supplied courtesy of
National Pump Co. for the purposes of this presentation
Other photos and illustrations are the original work of the author and all rights
are reserved