Saws, pipe

Track Trenchers and Rock Saws: Vermeer T1155 Commander 3
May 2009 Vol. 64 No. 5

The Vermeer T1155 Commander 3 track trencher is powered by a Caterpillar C15 540-hp Tier 3 emission-certified engine and features the TEC Plus electronic control system for easier machine monitoring.

Tunnel Project Helps Meet San Antonio Growth
Jeff Griffin, Senior Editor
March 2009 Vol. 64 No. 3

The population of the city of San Antonio has quietly grown to make this pleasant south Texas city the second largest city in the state and seventh largest in the U.S. With a population of more than 1.3 million, San Antonio ranks just behind Houston and ahead of Dallas in population.

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