Working with Geodetic Monument Data

Geodetic Data Folder

The Geodetic Data folder in the Table of Contents contains four layers of information. They are Geodetic Monuments, Not Found Monuments, Destroyed Monuments, and CORS Stations. The CORS Stations and all the Geodetic Monuments, except for Not Found or Destroyed Monuments are visible by default but are scale dependent. They will automatically appear when zoomed in to 1:100000 or closer. The Not Found and Destroyed Monuments are similarly scale dependent but are not visible by default and will not appear until they are checked on (made visible). For detailed descriptions about all of these monuments and the CORS data, please see the associated links from the 'Metadata' tab.

The Geodetic Monuments are symbolized by type. These six types are HARN, 3D, Horizontal, Vertical, 4th Order, and No Dimension. CORS Station, Not Found, and Destroyed are three additional types of monuments which are each on their own data layer. The symbologies associated with all of these types are outlined below and shown on the Legend tab in the Table of Contents.

The following sections outline several of the more common ways to query, search, and interact with the Geodetic data contained within the application:

Browse by location.
This can be accomplished using various combinations of several tools and methods. The navigation borders surrounding the map frame area can be clicked to pan the map in any of eight directions (North, Northeast, Northwest, etc.). The Zoom In and Zoom Out tools can be used to adjust focus on different areas of Minnesota. The Pan tool can be used to pan around the map. Below the map frame are several small buttons that move the map to one of several preset scale levels. Next to that is a scale window that can be changed by typing a new scale in it. Once a suitable geographic location is found, additional map layers can be turned on or off and other tools can be incorporated like the Identifuy Tool . Please see the Help documentation for a complete list of all the available tools.

Use the Identify Tool
The Identify Tool will return the basic attributes from an identified Geodetic feature. These will be provided via a simple table structure and the tool will work with whatever layer has been selected as the active identify layer. As noted below, the hyperlink tool provides direct access to PDF-format Map Sheets of each geodetic feature. These Map Sheets can also be accessed by first identifying a feature and then clicking on the link in the "DATA_SHEET_PDF" field from inside the results window. Please see the Basic Tools section of the Help documentation for more about using the identify tool.

Use the Hyperlink Tool
The Hyperlink Tool can be used on any visible Geodetic feature and will link to the PDF-format Map Sheet associated with that feature. This tool only works on map layers in the Geodetic Data folder and only if that map layer has been selected as both the active identify and active select layer. Click here for an example of a Map Sheet. If available, Map Sheets contain links to photos of the monuments and their locations. These links can be found at the bottom of the PDF. Please see the Basic Tools section of the Help documentation for more about using this tool.

Use the Find button dropdown and select a Geodetic layer from the list.
Please see the Buttons documentation for a description of this button.

Use the Find Tool
The Find Tool can locate a specified attribute value from all fields in a map layer. Note: the desired Geodetic map layers will need to be visible in order for this tool to work. Please see the Select Toolbox section of the Help documentation for more about using this tool.

Use the Query Tool
The Query Tool allows for a custom query string to be constructed in relation to a specific attribute field. Note: the desired Geodetic map layers will need to be visible in order for this tool to work. Please see the Select Toolbox section of the Help documentation for more about using this tool.

Use the Filter Layer Tool
The Filter Layer Tool allows for a custom query string to be constructed in order to limit the number of visible features of a layer based on a specific attribute.
Please see the Select Toolbox section of the Help documentation for more about using this tool.