The early editions of these OS maps are available at The Lancashire Record Office. They have 6-inch sheets from the 1840s and 25-inch sheets from the 1890s. By consulting the index map below you can find out which map(s) you need.

Click here to display the key map

File size 355k

The index map, as well as providing the sheet numbers for the above maps, is also an excellent Parish map of old Lancashire.