Note the use of constellations to indicate the vast expanse and swift movement of the cloud; another illustration of the poet’s power to see things in the large. Locate the constellations named.

Explain the figure, “star-hungry.”

19. Deep in the further murk sheet-lightning flared.

Sheet-lightning—covering the sky like a sheet, sometimes called heat lightning—a common phenomenon in prairie storms.

24. What turmoil now? Lo, ragged columns hurled, etc.

Explain “ragged columns.”

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2. Along the solid rear a dull boom runs!

Explain “solid rear.”

11. Reveals the butte-top tall and lonely there