The photographs show that the dark areas in Mars can only be explained by vegetation
08 May 1926 – LIFE ON MARS – Trove
15 Jan 1915 – How the Martians Made Their Canals. – Trove
20 Jan 1901, Page 4 – The Anaconda Standard
TimesMachine: November 10, 1907 – NYTimes.com
MARS CANALS FOR DRAINAGE. – German Says They Are to Prevent Floods When Pole Caps Melt.
TimesMachine: August 27, 1911 – NYTimes.com
12 Feb 1921, Page 10 – Reading Times
04 Oct 1919, Page 47 – The Winnipeg Tribune
08 Feb 1920, Page 69 – New-York Tribune
TimesMachine: March 26, 1927 – NYTimes.com
27 Feb 1928, Page 4 – The Daily Courier
18 Sep 1940, Page 3 – The Hopewell Herald
10 Jun 1948 – PLANT LIFE ON MARS – Trove
TimesMachine: June 25, 1950 – NYTimes.com
St. Petersburg Times – Google News Archive Search
06 Jun 1965, Page 82 – Express and News
05 Aug 1998, Page 4 – Clarion-Ledger
