The chalk is deeply indented in many places, and is honey-combed with caves.
The fascination of writing on it with chalk still obsessed the children.
Where's that piece o' chalk you had when you marked out your tumbler-quilt?
I'll chalk a lane into the closet, an' we'll both keep a right o' way there.
A may bush, overhanging a little precipice of chalk, caught her eye.