Chalk
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The first attested use of chalk on blackboard in the United States dates to September 21, 1801. (Jordan Koster|Collegian Media Group)
chalk can be used to remove grease spots (Jordan Koster|Collegian Media Group)
Chalk is a natural fine-grained limestone that was formed slowly as a deposit in water greater than 150 feet deep. (Jordan Koster|Collegian Media Group)
A K-State student draws a picture of Venom on a blackboard in Cardwell hall. (Jordan Koster|Collegian Media Group)
Chalk art of Venom, the main character in Marvels newest movie. (Jordan Koster|Collegian Media Group)
One of Marvel's most popular characters Tony Stark has symbiote Iron Man armor. (Jordan Koster|Collegian Media Group)
Cardwell Hall was built in 1963 and named in honor of Dr. A.B. Cardwell, former head of K-State's Department of Physics in the 1930s. (Jordan Koster|Collegian Media Group)