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How To Make A Professional Soil Monolith Model

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Soil Monolith Procedures 1-5

Excavate pit 4 feet deep with a minimum of 12" additional on each side of  profile

1.) Excavate pit ( 4 feet deep) - a minimum of about 12 inches additional working space is required on each side of the profile extraction area. Moist soils are nearly essential. Smooth exposed profile face ( this is the face you will eventually pick for your finished profile).


Place a 2 foot angle-iron frame against exposed profile

2.) Place a 2 foot angle-iron frame (with inside dimensions of 4" x 2" x 40") against exposed profile.


Mark profile face with cutting edge

3.) Insert the cutting edge into the profile-face to mark the edges of the frame (hammer or other pressure).


Remove frame and carve

4.) Remove frame and carve the profile to be captured from the pit face by removing soil from the area to the outside of the marked profile.


Remove 2" of soil


Permission to digitize and display the images and text of "How to Make a Soil Monolith" was provided by Maxine Levin, USDA Natural Resources Conservation Service.

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Last Updated: September 25, 2001
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