Tahkenitch Lakes, located in Oregon, is a coastal feature. What type of coastal feature is Tahkenitch Lakes?

a) Barrier island
b) Coastal dunes
c) Delta
d) Drowned river valley
e) Dune lake
f) Estuary
g) Groin
h) Headland
i) Hook
j) Jetties
k) Marine terrace
l) Pocket beach
m) Sea arch
n) Sea cave
o) Sea cliff
p) Sea stack
q) Spit
r) Tombolo
s) Wave refraction
t) Wave-cut notch