Indicates measurement details of the connecting structure including construction and other aspects of its operation.

Reference for the history of the structure's construction and other mechanisms regarding its building.

Proposal for the development of the edifice. Discusses relevant updates about the efforts.

Updates on scheduled meetings by the group aiming to improve the conditions of structures traversing the area.

Picture archive of the connecting structure with classifications and other references provided.

Article exposing construction details and other specifications of the structure that is well known for having the largest arch.

Points out the construction of the connecting structure in the area discussing its mechanisms.

Excerpted article from the Outdoor Indiana Magazine, which is written by James Barker providing views on the historical structures.

Discusses the opening, construction and other processes involving the functions of the structure.

Resource for the classification of different structures crafted in the locality with specified index of counties where it can be seen.

Documentation presented by the board of civil engineers who gathered at St. Louis for the proposal.

Report on the geological survey of the tragedy with a collection of pictures showcased.

Pictorial compilation depicting images of the structure built between 1931 and 1936. Provides links to other collections as well.

Contents of the published material include construction reports of the structure.

Chronicles the efforts of the group in imposing improvement of edifices that crosses the valley.

Historical details about the structure's construction as well as technical overview and links to other data sources.