In a statement released by the Phoenix-based company, Mr. Dearth cited personal and family circumstances.
Infinity Outdoor, a Phoenix-based company, will create and install them by the fall, making its money from advertising revenues.
In a filing with the Securities and Exchange Commission, Mr. Eller also said he agreed not to make a bid for the Phoenix-based company.
In the first nine months of 1987, the Phoenix-based company reported net income of $13.5 million.
A Phoenix-based company bulldozed the remnants of the town in the late 1970s.
Since then, the Phoenix-based company has been trying to build its travel services operation.
The Phoenix-based company said yesterday that it planned to spin off its financial-services unit into a separate publicly traded company.
Phelps Dodge, the Phoenix-based company that produces commodities like copper and molybdenum, carefully monitors its trucks and heavy equipment to achieve the optimum life for its tires.
The Phoenix-based company had until yesterday to pay overdue interest to its bondholders but it failed to do so.
The Phoenix-based company said it had hired Wasserstein, Perella & Company to look into various options: expansion, restructuring, recapitalization, merger or joint venture.