英和和英

epithelial layer

a layer of scree

under layers

an interfacial layer

a layer of clay

geological formations

the upper echelons

a geological fault

a layer in a soil profile

a stratum of rocks, called Permian system

to be in layers―stratified

link of shrahorn of ground

a sediment called continental sediment

a geographical feature called a step fault

a stratum called a Mesozoic formation

stratum called alluvium

a layered configuration

a cartographic unit called formation

a permeable layer

an outcrop of a stratum

layer of 3 centimeters

the bottom layer of a heel

a level stretch of ground

a layer in a structure of stratified rock, called cross-bedding

form layers or strata

the layer of soil on the surface

the surface layer of soil

a course of bricks

a surface

a level tract of land