Part 650- Engineering Field Handbook (EFH), Handbook (210-NEH), Part 631 Geology, – Chapter 12, 24 p. Chapter 32, 55 p. USDA-NRCS, Jan. 2010, Well Design and . Spring Development: National Engineering
Part 650- Engineering Field Handbook (EFH), Chapter 12, 24 p. USDA-NRCS, Jan. 2010, Well Design and Spring Development: National Engineering Handbook (210-NEH), Part 631 – Geology, Chapter 32, 55 p. .
SpringDevelopment_574_Draft_2ndReview_June2015.docx