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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

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.

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.