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Draw Ad-hoc Polygon
Click on the map to start drawing, click NEXT when finished.

1. Click to start drawing a polygon
2. The polygon completes automatically
3. Drag marker to change location
4. Click an existing marker to remove it
5. Once complete, click the NEXT button to begin querying

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Search Stations:

Search Options:
Organization Type: AND
Organization Name: AND
Program Status: AND
Program Name: AND
Project Status: AND
Project Name: AND
Project Methodology: AND
Data Availability: AND
Proprietary Restrictions: AND
Purpose Category: AND
Station Status: AND
Source Medium: AND
Observation Category: AND
Observation Type: AND
Analysis Method: AND
Date Range: to AND
Search within a geographical zone:

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Description Goes Here

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Search Help

Select one or more options (e.g,. Organization Type) from the available lists to use to search for stations. Options are combined using a logical AND, meaning that only stations which meet all criteria will be displayed.

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Browse Help

Select the tabs at at the top to browse stations by Organization, Geographic Zone or Observation Parameters. Observation Parameters selected as criteria for browsing are combined using a logical OR, meaning that stations that match any of the select Parameters will be displayed.