User's Instructions

	Use the Overview button to display/undisplay the overview map in the upper left hand corner of the map.
	Click then click and drag an area in the map frame to zoom.
	Click and then click in the map frame to zoom out.
	Click to zoom to the full extent of the map.
	Click and then click and drag in the map frame to pan to a new location. Alternatively, the arrows surrounding the map frame will pan in the direction of the arrow.
	Click on the identify button and then click on the map to display information for all the features chosen at the click point. The information will be displayed in a separate window.
	Click the visible box and the active circle next to the layer of interest in the Layers menu. Click refresh map. Click the query tool button. Select a field from the drop down list to query. Select an operator from the drop down list to be used in the expression. Type in the value of the field you are querying for OR click on Get Samples for a list of valid values for the field. Click Add to Query String. Click Execute. Clicking Undo removes the last Add to Query String. A complex expression can be built using AND, OR, NOT and ( ). Click clear, to clear out the entire expression. If the query is successful, the features will be highlighted and the results will display in a separate window. The function also zooms to the highlighted feature(s).
	Click on the Measure button and then on your starting point on the map. It may take a few seconds to register that point, a red dot will appear when the point has been calculated. Then click on the next point. Both the total length and the segment length will be shown at the top of the map frame.
	Use the Clear Select button to clear the measurement line or features selected with query.
	Click the print button to print the data currently in the map frame. Enter a title in the box below the map frame and click "Create Print Page" to open a new Browser window with the map displayed. Then click the File/Print menu item to print.
	Through a point and click interface, access to USGS real time stream flow data is accessed through the interactive mapping interface. Clicking the USGS Real-Time Stream Flow button automatically make the USGS Stream Gage layer Active and refreshes the map display. Then click on a Gage on the map to display the real-time stream data in a separate window. A demonstration of this function may be viewed by clicking on the "Real-Time Stream Gage" icon located to the left.
	Through a point and click interface, access to California real time meteorology data is accessed through the interactive mapping interface. Clicking the Real-Time Air Stations button automatically make the Air Moniroting Station layer Active and refreshes the map display. Then click on a Station on the map to display the meteorology data in a separate window. A demonstration of this function may be viewed by clicking on the "Real-Time Air Station" icon located to the left.
	The photo hotlink tool allows for a point and click interface to locations on the map where Lake Tahoe Basin photographs can be accessed and displayed. Clicking the Photos button automatically make the Photograph layer Active and refreshes the map display. Then click on a Photo symbol on the map to display the image in a separate window. A demonstration of this function may be viewed by clicking on the "Photos" icon located to the left.
	The Douglas County Parcel data is available by clicking on the Douglas Parcel button. This will automatically make the county layer Active and refreshes the map display. Click on a parcel polygon on the map to display the parcel data in a separate window. A demonstration of this function may be viewed by clicking on the "Douglas County Parcel" icon located to the left.
	The El Dorado County Parcel data is available by clicking on the El Dorado Parcel button. This will automatically make the county layer Active and refreshes the map display. Click on a parcel polygon on the map to display the parcel data in a separate window. A demonstration of this function may be viewed by clicking on the "El Dorado County Parcel" icon located to the left.
	The Placer County Parcel data is available by clicking on the Placer Parcel button. This will automatically make the county layer Active and refreshes the map display. Click on a parcel polygon on the map to display the parcel data in a separate window. A demonstration of this function may be viewed by clicking on the "Placer County Parcel" icon located to the left.
	The Washoe County Parcel data is available by clicking on the Washoe Parcel button. This will automatically make the county layer Active and refreshes the map display. Click on a parcel polygon on the map to display the parcel data in a separate window. A demonstration of this function may be viewed by clicking on the "Washoe County Parcel" icon located to the left.
	Through a point and click interface, access to Nevada Water Quality Monitoring Data is accessed through the interactive mapping interface. Click this button to activate the Nevada Water Quality Query Tool. This will automatically make the NV WQ Mont. Sites layer Active and refreshes the map display. Then click on a NV WQ Monitoring symbol on the map to display. This will open a new window containing information about the selected site. A water quality query may then be performed by selecting a water quality parameter (i.e. Temp), a *operator* (i.e. >=), and entering a water quality value (i.e. 5) located at the bottom of the page.Clicking on the SUBMIT QUERY button will execute the user defined query. The query results (in the form of a time-series plot and selected record table) are displayed in a new window. A demonstration of this function may be viewed by clicking on the "Nevada Water Quality Query" icon located to the left.
	Click to bring up the help menu.
	Data can be displayed in geographic coordinates as well as State plane, and UTM Zone 10 or Zone 11. Geographic coordinates are the default. Data is automatically re-projected on the fly when a map projection is chosen from the drop-down list located at the bottom of the viewer window. A demonstration of this function may be viewed by clicking on the "Map Projecction..." icon located to the left..
	The Lake Tahoe area National Map Pilot Project is an ongoing USGS initiative to make seamless, best available, base map data available online to the public. The TIIMS Mapping Application is enhanced by adding the USGS map data to its current map layers through its "Multiservice Mapping Viewer". Click on the "USGS Data" icon located on the left to read more about this feature.
	Click on the "North" map border area to pan (.85/degree) North.
	Click on the "South" map border area to pan (.85/degree) South.
	Click on the "East" map border area to pan (.85/degree) East.
	Click on the "West" map border area to pan (.85/degree) West.
	Click to refresh the map after changing the visibility of a layer.

Quick Reference