Image: River Tamar map

Description: Map of the River Tamar and its catchment in Devon and Cornwall, UK.
Title: River Tamar map
Credit: Ordnance Survey OpenData. Relief data and catchment from OS Terrain 50 product. Administrative borders and coastline data from Boundary-Line product. All other geographic data from Meridian 2 product.
Author: Nilfanion, created using Ordnance Survey data
Permission: This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Attribution: Contains Ordnance Survey data © Crown copyright and database right You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one. http://creativecommons.org/licenses/by-sa/3.0 CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes