On the Alphabetical Index Page,  find "Edit" at the top of the browser.
Left Click on "Edit" to display the drop down menu.

From the Menu select "Find (on This Page)"...  or
Press the "Ctrl" Key and the Letter "F" at the same time on the keyboard.

Either of these will display the " Find Window " as shown below.

Enter "Map Cabinet Designation of 1, 2, 3,"D" or 5 and Envelope  Number" as shown in the example above.

Map Cabinet "Number" or "Letter", the dash, the envelope number, a space and then A or B.

You could also enter the Plat Number 449 and it would search
all Map Cabinets for plats that contained 449 A or B.

Make sure you are at the top of the page when beginning the search.
If not your search may miss the plat you are searching for.

The "Direction" default is "Down" and can be changed as shown in the example above.

Please remember the computer will only search for information the way you enter it.
If you do not enter the information correctly, it can not find it properly.

If you do not find what you are looking for, Please re-check what you have entered.
If what you are looking for is relatively new, it may not be listed or Scanned yet.