1. THE ROCK BOX  Cost to build Rock Box $18K, constructed of ½ inch steel plate, box is designed to increase in-stream stone placement production by keeping the stone dirt-free & readily available to be scooped up in the excavator bucket (full scoops) & placed in the stream without increasing turbidity.

2. DON’T DO THIS!!! Contractor mixing dirt in with the stone that will be placed into the stream. CONSTRUCTION-ACCOTINK CR. @ PANTHER RD-PIX-DERRICK SEPT-1997

3. Rock Box keeps rock “clean” & speeds production. Articulating front end loader delivering stone to box. CONSTRUCTION-MISSOURI RIVER@L & C-DERRICK-NOV 13, 2007

4. Easy to scoop full 5 ft wide buckets of stone out of Rock Box (box cost $18k) CONSTRUCTION -MISSOURI RIVER @ L & C-DERRICK-NOV 13, 2007

5. Looking US. Placing stone for toe. Rock Box speeds production & keeps stone from mixing with dirt. CONSTRUCTION -MISSOURI RIVER @ L & C-DERRICK-NOV 13, 2007

6. CONSTRUCTION-THOMPSON R. @ TRANSCANADA PIPE - DERRICK 8-11-2011 CONSTRUCTION-Clean stone from Rock Box results in clean structures in the river.

7. CONSTRUCTION-THOMPSON R. @ TRANSCANADA PIPE - DERRICK 8-9-2011 CONSTRUCTION-Looking DS @ bulldozer building a dirt ramp to the Rock Box.

8. CONSTRUCTION -THOMPSON R. @ TRANSCANADA PIPE. BROWNING 8-1-2011 CONSTRUCTION-Looking DS @ loader dumping rock & hoe starting to build a Bendway Weir. Rock box keeps stone dirt-free & increases rate of placement of the stone.

9. CONSTRUCTION-THOMPSON R. @ TRANSCANADA PIPE - DERRICK 8-9-2011 CONSTRUCTION-Looking DS @ loader delivering stone. Handle on rock box facilitates moving Rock Box into position.

10. Tom Powell said they would wear it out, he was right! CONSTRUCTION-MISSOURI RIVER @ L & C-TERRY STOLTENOW-1-11-2008

11. This PowerPoint presentation was developed & built by Dave Derrick. Any questions or comments, call my personal cell @ 601-218-7717, or email @ d_derrick@r2d-eng.com Enjoy the information!! d_derrick@r2d-eng.com

12. KAYLYN LOUISE DERRICK, AGE ½.