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From left to right: Lt. Walter Wallce, Dan Logan, and Frank Mason aboard the YMS 247 off the coast of Norflk, VA.

From left to right: Sailors Nate Martin (Nashville, TN), Frank Mason (Columbus, OH) with commanding officer Walter Wallace (Kosciusko, MS) and Walsh (New York City, NY) on board the minesweeper YMS 247 off the coast of Normandy in 1945. The swastikas…

History librarian DeeDee Baldwin with document reproductions and books on display at the "Tea Time Reflections: A Celebration of Fannie Lou Hamer and the Voting Struggle" event.

Campaign poster for Fannie Lou Hamer's congressional run in 1964.

(DSM #SD13) Septarian concretions form in cavities where the outer rock is cracked and angular. Minerals fill the cracks and preserve their shape.

(DSM #SD11 and #SD12) Concretions come in all sizes and are very often mistaken for fossils because of their intricate and strange shapes. They form when a grain of sediment or organism acts as a nucleus for minerals to precipitate and grow. Some…

(DSM #SD8) Geodes are crystals that form to fill a void. The outer portion of the stone is usually non-descript and plain but the crystals show themselves when the rock is hit with a hammer.

(DSM #SD7) Dendrites are iron or manganese oxide mineral growths that occur in a rock after deposition.

(DSM #M76 and #M172) These interal casts show the shape of the inside of a cavity such as a shell or brain. When you have an imprint of the outside of an organism it is calleda mold.

(unnumbered) Compression fossils most often form in sedimentary rocks called shales which form in the bottom of lake or sea beds. The same fossil can be seen in both the part and counterpart but different features are often preserved on both sides.…