For both maps, place the cursor in the desired map quadrangle to read the name. There is also a spreadsheet that displays quadrangle names.
Most Alaska sheets are 3 degrees wide instead of the 2 degrees used in the lower 48. A number of sheets in the Aleutians and the Panhandle are 2 degrees wide. A few sheets are up to four degrees wide. The map boundaries are from a file created by the Alaska Department of Natural Resources.