My feeds
Popular
Editors’ Picks
Best coubs
Stories
Who to follow
What is a coub?
Communities
Animals & Pets
Blogging
Stand-up & Jokes
Mashup
Movies & TV
Gaming
Cartoons
Art & Design
Live Pictures
Music
Sports
Science & Technology
Food & Kitchen
Celebrity
Nature & Travel
Fashion & Beauty
Dance
Auto & Technique
Memes
Anime
18+

Join our community

About
Blog
Apps
Brand
Terms
Privacy
Rules
DMCA

© 2012—2026 Coub.com Ltd

Create a coub

Loading…

What is a coub?

Terms of Service

Community Rules

Language: English

Navigation

Editors’ Picks

#phosphate fertilizer

Popular Most liked Most viewed Fresh

·Sep 20, 2012

Find Your Roots

9

0

1

1K

Sources are the materials that were used to create this coub.

Video

1930s cattle crop dam electricity erosion fertilized flood control great depression muscle shoals national archives norris dam phosphate fertilizer pickwick landing reservoir tennessee river valley tva wheeler dam wilson wilson dam

Find Your Roots