Photograph at the center point of the construction for the Tower of the Americas, San Antonio, Texas. Marshall T. Steves, Sr. & John White with hard hats on shake hands at the base point of the Tower. Behind them a construction worker sits in the driver's seat of a bulldozer.

Photograph of Otto Lindig and his sister sitting together at an upright piano. Cowboy hats and a purse have been placed on the top of the piano.

Photograph of Otto Lindig and his sister sitting together at an upright piano. Cowboy hats and a purse have been placed on the top of the piano.

Photograph of a group of City of Port Arthur Public Works employees posing in front of spools of electrical cable. The cable will be placed underwater to Pleasure Island. Five of the six men on the back row are identified as (left to right) Leo Langham, Doc Marsh, Roger Berthlot, P. R. Hollier, and Toby Duncan; the two men on the bottom row are identified as Pete Petite (of U. S. Corps of Engineers, diver) and David Petite (son of Pete Petite). In the background, there are two men standing beside a body of water.

Photograph of Texaco Island on the Sabine-Neches Canal in Port Arthur, Texas. The island is covered in petroleum storage containers and several large tankers are in dock in the water behind the island. Tugboats are also pushing barges through the entrance into the canal.

Hemisfair model with “Viva Hemisfair” prop for the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of downtown street renovation.

Image of a model of Los Voladores, Flying Indians from Mexico at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of a model of the LIDO building at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of a model of Los Voladores, Flying Indians from Mexico for the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of a model of Los Voladores, Flying Indians from Mexico for the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of a model of Los Voladores, Flying Indians from Mexico for the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Pincus and Hardy stores at intersection off Broadway.

Image of flags of various countries lining Broadway St. near the San Antonio Light Newspaper.

Image of Broadway and Jones before street renovations.

Image of flags of the various countries lined on Broadway St. at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of downtown Broadway St. lined with flags of various countries. More than twenty countries participated in HemisFair '68 and had pavilions.

Image of flags lining Broadway and Jones Street.

Image of a model of the IBM Pavilion at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of a model of the IBM Pavilion at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Two union workers picketing at the HemisFair construction site. One of them holds a sign that reads 'This job is unsafe'.

Image of downtown Broadway St. at the corner of Pincus and Hardy stores.

Photograph of the HemisFair construction site dominated by the shaft of the Tower of the Americas. The tower's tophouse has not yet been put in place. In front of the tower, two carriages of the Swiss Skyride can be seen.

Photograph of Marshall T. Steves, Sr. and John White standing inside the construction hole of the Tower of Americas, San Antonio, Texas.