File:Ordnance Survey One-Inch Sheet 117 Bala & Welshpool, Published 1947.jpg
Size of this preview: 512 × 600 pixels. Other resolutions: 205 × 240 pixels | 410 × 480 pixels | 656 × 768 pixels | 874 × 1,024 pixels | 1,748 × 2,048 pixels | 10,907 × 12,776 pixels.
Original file (10,907 × 12,776 pixels, file size: 18.42 MB, MIME type: image/jpeg)