QUAL
QUVE
QURU
Quercus alba
Quercus velutina
Quercus rubra
white oak
black oak
northern red oak
—
ochric epipedon
argillic horizon
redox depletions with chroma 2 or less
secondary carbonates
0—13
13—94
66—
94—
—13—
—81—
—1—
24
278
80