Image: Ottawa River Stromatolite Bed

Description: Blue sky, Canada's capital city skyline, the roar of traffic, university geology students for scale and stromatolites underfoot. A great day in the "field". much more info at http://ottawariverkeeper.ca/river/paleontological_highlights/ beyondhue's view at http://www.flickr.com/photos/36647280@N07/4917961715/
Title: Ottawa River Stromatolite Bed
Credit: Flickr: Ottawa River Stromatolite Bed
Author: Mike Beauregard
Permission: This image, which was originally posted to Flickr.com, was uploaded to Commons using Flickr upload bot on 04:01, 29 December 2012 (UTC) by Tillman (talk). On that date, it was available under the license indicated. This file is licensed under the Creative Commons Attribution 2.0 Generic 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 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). http://creativecommons.org/licenses/by/2.0 CC BY 2.0 Creative Commons Attribution 2.0 truetrue
Usage Terms: Creative Commons Attribution 2.0
License: CC BY 2.0
License Link: http://creativecommons.org/licenses/by/2.0
Attribution Required?: Yes