Click to show or hide a panel for selecting the map viewer base map.
The slider in the panel can be used to adjust the transparency of the base map.
A check box is provided to show or hide an inset map of the currently viewed map area.
The inset map can also be shown and hidden by clicking the arrow icon in the lower-left corner of the map.
Click to show or hide a panel for turning available data layers on and off in the map.
Click the "minus" () or "plus" () icons in the panel to collapse or expand layer groups.
Use the check boxes next to the layer names to show or hide that data layer in the map.
Hovering over a help icon () shows a brief description of the layer.
The slider can be used to adjust the transparency of the data layers.
The icon indicates features in the layer can be identified by clicking on them in the map.
Click the icon to shown the layer in the map and automatically toggle identify mode on, then click a map feature to identify it.
Click the "Legend" button in the Data Layer panel to show a legend defining the symbology of the data layers that are currently shown in the map.
Click to toggle "identify mode".
When in identify mode, clicking the map will identify currently displayed data layer features near the map click point,
and a tabbed info window with identified feature information will appear on the map.
The map must be zoomed in a few levels to be able to identify features.
Only data layers labelled with the icon in the "Data Layer" panel are identifiable.
When in identify mode, the mouse cursor changes to an arrow with an identify icon and the Identify button is blue.
Click to show or hide this Quick Start guide at any time.
Click to display an overview of this map viewer.
Use the search text box to search for a location in and around Texas.
Matching locations will appear in a menu below the text box.
If a match does not appear, press enter to try to find a location with a similar name.
When a location is found, the map will zoom to the location and an info window will appear showing information about the location.
Some of the locations that can be searched for are:
counties and cities;
water bodies, such as lakes, streams and canals;
places, such as parks, schools, cemeteries, and churches;
latitude and longitude coordinates;
5-digit zip codes;
3-digit telephone area codes; and
street addresses(press enter after typing address).
Click to zoom the map to the full extent.
Use the zoom slider to zoom the map in or out.
The map can also be zoomed by:
shift+click-and-dragging to draw a box around an area,
double clicking on an area of interest, or
using the mouse scroll wheel.
Click to zoom the map to your location.
This button will not appear in the map if your browser does not support geolocation or geolocation is disabled.
Click the arrow icon in the lower-left corner of the map to show or hide an inset map of the currently viewed area.
The inset map may also be shown or hidden by using the check box in the Base Map menu.
The current map view can be accessed at the link below.
Tweet, share on Facebook, or click and copy the link to bookmark it for your own future use.
You can click the "Shorten Link" button to compress the link.