Receive any one Elevation Data Quad as a Sample Quad   Select 1 Elevation Data quad of interest from our Quad Search or   1 Custom Area (Limited to 7.5 Minutes x 7.5 Minutes) Elevation Data from our Custom Area Search        Only add 1 item to the cart, additional items will be ignored.        A $ value will be shown in the Order in Progress email as part of the check out system.        This is NOT an invoice and nothing needs to be paid.   Quad will be available via Internet Download within minutes   Projection information is selected during Check Out        Select UTM, State Plane, Latitude / Longitude or Web Mercator Projection   Format Available:        USGS Standard DEM file format        ESRI Grid Float format        ASCII Text, X,Y,Z format (comma, tab or space delimited)        PLS-CADD ASCII Text, X,Y,Z format        C Tech File format   After selecting all quad related information:        Fill in all required Contact Red Fields        Make sure to select Downloading via the Internet as the shipping method        Click the Continue Button to proceed to last page        Click the Confirm Projection and Options check-box        Make sure to select 1 Free Download as the payment method        Then simply click the Submit Button