One preserved mussel specimen including both the left and right valves. The specimen exhibits a round shape; moderately thick shell; white internal coloring; brown external coloring; external sculpturing in the form of pustules. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; white internal coloring; tan external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be long dead when collected.

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; white internal coloring; brown external coloring; external sculpturing in the form of ridges. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; purplish-white internal coloring; brown external coloring; external sculpturing in the form of ridges. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.

One preserved mussel specimen including both the left and right valves. The specimen exhibits a quadrate shape; thick shell; single looped beak sculpturing; white internal coloring; dark brown external coloring; external sculpturing in the form of ridges. Collected in the Brazos basin. The specimen measures between 60 - 100 mm in length and was assessed to be relatively-recently dead when collected.

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; white internal coloring; green external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.

One preserved mussel specimen including the left valve only. The specimen exhibits an elliptical shape; moderately thick shell; single looped beak sculpturing; white internal coloring; brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be long dead when collected.

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; dark brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 100 - 120 mm in length and was assessed to be relatively-recently dead when collected.

One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures over 120 mm in length and was assessed to be relatively-recently dead when collected.

Patent for an improvement on a patent granted on the 4th of October 1870, numbered 108,032.

Patent for a new and improved riveting machine. This design "consist[s], essentially, of an upright-frame having a vertically-movable driving-rod therein, a vertically-separable set loosely mounted upon the lower end of the driving rod, and a stationary upright removably mounted in the frame beneath the driving-rod and set, [and] said upright having a spring-actuated sleeve extending above the upper end thereof" (lines 66-74).

Patent for improvements in fertilizer distributers by using a combination of a hopper, a detachable drill-chute, two shafts with fingers inside the hopper, and an inclined spring-held and adjustable apron attached at the rear end of the hopper. This adjustable apron allows the shafts to operate effectively and efficiently. Illustration is included.

Weekly newspaper from Calvert, Texas that includes local, state and national news along with some advertising.

Letter from John Patterson Osterhout to his wife, Junia Roberts Osterhout. He wrote his wife a brief letter from a car going from Waco to Bremond, Texas. In his letter, he related to his wife the expenses he has incurred on his trip so far and let her know that their daughter, Ora, was doing well.

Patent for a collapsible crate, which is easier to ship while collapsed and cheaper to make.

Patent for a seed-cotton handling machine for use in cotton gins which as an improved elevator and feeding system.

Patent for non-refillable bottles which can be filled and emptied easily with inexpensive construction. Instead of a stopper, a bottleneck pattern can be used which is efficient and safer.

Patent for certain new and useful improvements in word counters for type writing machines, including instructions and illustrations.

Patent for a cotton gin that has a large ginning capacity (similar to saw types of gins) and also preserves the fiber (similar to roller types of gins).

A performance review of the Calvert Independent School District to assess their use of state funds in different areas of the school.

History of churches that served the African-American community in Wheelock, Texas, including: Triumph/Trump Baptist Church, Old New Hope Baptist Church, Pleasant Grove Baptist Church, Sharon Chapel African Methodist Church, New Hope Missionary Baptist Church, and the Church of God in Christ.

Photograph of the Drennan-Doremus-Burnitt House (located at 502 Texas) in Calvert, Texas.

Photograph of the Drennan House (located at 502 Texas Street) in Calvert, Texas.