"One developer proposed a floating zone over every piece of residential and some commercial property in town," he said.
In Chicago, developers proposed the site as part of the package.
Now two developers have proposed new plans to increase the market's visibility.
Six months later, a second developer proposed building a 34-story condominium on the site.
The developer proposes building 49 detached houses and 250,000 square feet of office space.
The $12 million building the developers are proposing would contain a hotel and a convention center.
No financial data - such as how much each developer proposes to pay for the site - have been made available.
In 1881, a developer proposed a nine-story apartment house on the east side of Madison from 50th to 51st.
A developer has proposed building 294 units of housing for people 55 and older, along with 515 parking spots, on the property.
In 1992, developers proposed an underground parking lot one block north of the springs which would have cut off the spring's water.
