• Organization: Department of the Interior
• Updated: 2025-04-15T13:21:43Z

Voids form as a consequence of the deteriorated state or poor design of the structures they are associated with. There are a variety of different mechanisms that can lead to the formation of...

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• Organization: Department of the Interior
• Updated: 2025-04-15T13:21:29Z

Detection of voids along conduits has been attempted in the past using various non-invasive technologies. While progress has been made, underlying challenges exist that have resulted in the...

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• Organization: Department of the Interior
• Updated: 2025-04-15T13:21:50Z

The presence of voids behind or below a structure can limit operations at best and at worst be a precursor to failure. Voids could lead to hydraulic jacking, ground instability, and a roofed path...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2015-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2016-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

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• html

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2024-10-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2022-08-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2024-10-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2023-10-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2022-08-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2017-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none
• html

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2025-10-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2025-10-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2023-10-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2015-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none
• html

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2019-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none
• html

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2016-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none
• html

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2016-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none
• html

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2019-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none
• html

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2018-01-01T00:00:00.000+00:00

The TIGER/Line Shapefiles and related database Files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

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• html