sediment
matter that has been deposited by some natural process
census
a periodic count of the population
marsh
low-lying wet land with grassy vegetation; usually is a transition zone between land and water
dredge
a power shovel to remove material from a channel or riverbed
silt
mud or clay or small rocks deposited by a river or lake
feasible
capable of being done with means at hand and circumstances as they are
deterioration
process of changing to an inferior state
pragmatic
concerned with practical matters
prowess
a superior skill that you can learn by study and practice and observation
ingenuity
the power of creative imagination
ventilation
the act of supplying fresh air and getting rid of foul air
accretion
an increase by natural growth or addition
incinerator
a furnace for incinerating (especially to dispose of refuse)
