hardpan

As nouns the difference between crusting and hardpan

is that crusting is encrusted material while hardpan is a distinct layer of soil that is largely impervious to water.

As a verb crusting

is present participle of crust.

As nouns the difference between hardpan and harnpan

is that hardpan is a distinct layer of soil that is largely impervious to water while harnpan is the brainpan; the skull.

As nouns the difference between hardpan and hardman

is that hardpan is a distinct layer of soil that is largely impervious to water while hardman is (slang) a man who is particularly tough or muscular.

Duricurstgeography is likely misspelled.

Duricurstgeography has no English definition.

As a noun hardpan is

a distinct layer of soil that is largely impervious to water.

As nouns the difference between hardpan and duripan

is that hardpan is a distinct layer of soil that is largely impervious to water while duripan is a diagnostic soil horizon of the usda soil taxonomy that is cemented by illuvial silica into a subsurface hardpan.