Carl Sandburg (1878–1967). Chicago Poems. 1916.
2. Sketch
T
Rock on the crest
In the low blue lustre
Of the tardy and the soft inrolling tide.
Puts an arm of sand in the span of salt.
Draw in, lapse and withdraw.
Wavelets crumble and white spent bubbles
Wash on the floor of the beach.
In the low blue lustre
Are the shadows of the ships.