Natural Disasters: Sinkholes

Natural Disasters: Sinkholes book cover — Natural Disasters Sinkholes Blastoff 3 Readers

Natural Disasters: Sinkholes — page 1 — What Are Sinkholes sinkhole Sinkholes are holes in the ground Some are small Others can be thousands of feet deep Sinkholes may grow slowly Some collapse suddenly

Natural Disasters: Sinkholes — page 2 — They happen where rock below the ground’s surface is weak Sinkhole Areas common sinkhole areas in the United States N E W S

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