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AICP Plan Making
Mapping, GIS, & Computer Aided Planning
| Question | Answer |
|---|---|
| What type of map uses 1:24,000, 1:25,000, 1:50,000, and 1:100,000, 1:250,000? | USGS topographic map |
| What is the only map to cover the entire US in detail? | USGS topographic maps |
| How many USGS topographic maps are there? | 55,000 |
| What year was the first USGS map produces? | 1879, same year the agency was established |
| What is a topographical map? | A map that uses contour lines to portray the shape and elevation of the land. Topographic maps render the three-dimensional ups and downs of the terrain on a two-dimensional surface. |
| What information is commonly found on a topographical map? | Both natural and manmade features. Natural features include: mountains, valleys, plains, lakes, rivers, and vegetation. Man made features include roads, boundaries, , transmission lines, and major buildings. |
| What is a soil map? | a map showing the distribution of soil types or other soil mapping units in a relation to the prominent and cultural features of the earth’s surface. |
| What is a soil profile | A cross section of the earth's showing the makeup of the soil layers |
| What federal agency is responsible for maintaing the soil map database? | NRCS (National Resource Conservation Service) division of US Dept of Agricultaru |
| What is a USGS orthophoto | A arial photograph that has been altered in such a way that the lens distortions are removed & so that it may be scaled for mapping purposes |
| What is the scale of a USGS orthophoto? | 1:12,000 |
| What is a floodplain map | A map that shows the vulnerability of a flood according to the 100 year flood |
| What agency is responsible for the floodplain map | FEMA |
| What electronic tool was used to gather public information about the WTC proposals? | Electronic town meeting |