winter floods have deposited layers of silty river-bottom soil over time, making for a rich, well-drained sandy-loam profile.
(winter floods; have deposited; layers of silty river-bottom soil; T:over time) Context(winter floods have deposited,List([0, 28))):(winter floods; have deposited layers of silty river-bottom soil making; for a rich, well-drained sandy-loam profile)
winter floods have deposited,List([0, 28))
winter floods winter floods
have deposited have deposited layers of silty river-bottom soil making
layers of silty river-bottom soil T:over time
for a rich, well-drained sandy-loam profile