September 6, 1901. President William McKinley is shot at the Pan American Exposition in Buffalo, NY. Anarchist Leon Czolgosz is arrested in connection with the attack. September 14, 1901. McKinley dies of complications from his bullet wounds. Vice President Theodore Roosevelt assumes the presidency.
Concrete slab. A concrete slab is a common structural element of modern buildings. Horizontal slabs of steel reinforced concrete, typically between 4 and 20 inches (100 and 500 millimeters) thick, are most often used to construct floors and ceilings, while thinner slabs are also used for exterior paving.
What is a Mud Slab? Definition of Mud Slab in Construction. A mud slab refers to a minimum thickness, slab of concrete, that normally does not have any reinforcement. This concrete slab is meant to cover the dirt of a basement, or basically clean up the surface of a floor, in an area that will not obtain much use.