File:Shirburn chalk field.jpg

Summary
Description English: Chalk visible in ploughed soil at the foot of the Chiltern Hill escarpment near Shirburn Hill on the Buckinghamshire/Oxfordshire border, England. Date	11 March 2012 Source	Own work Author	UKgeofan Licensing I, the copyright holder of this work, hereby publish it under the following license: w:en:Creative Commons attribution share alike https://en.wikipedia.org/wiki/File:Shirburn_chalk_field.jpg This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. 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 give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. 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.