character: Mike Mulligan
topic: Exploring Historical Tools in Construction
grade: 2
subject: Social Studies
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character: Mike Mulligan
topic: Construction Techniques of the Past
grade: 2
subject: Social Studies
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character: Mike Mulligan
topic: Community and Machinery in Early Urban Development
grade: 2
subject: Social Studies
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character: Mike Mulligan
topic: The Role of Steam Shovels in Modern Construction
grade: 2
subject: Social Studies
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