Assertion: brown fibrous sedge peat | /r/MadeOf | small angular stones
Facets:
Source sentences:
text: OF AGRICULTURE 1-7 feet; brown fibrous sedge peat; at the 3-foot level the material is coarsely fibrous, grading into dark-brown sedge peat which contains woody fragments and coniferous timber between the 52 and 6-foot level; below it the sedge peat is grayish brown in color, moderately decomposed and contains small angular stones resembling slaty (graywacke) talus; 7-8 feet; rough angular stones over bedrock.