(you may need to sign in to these publications’ websites in order to read the online version of these articles)
The Washington Post: April 4, 2010 – Memory’s Point (Gaspé, Canada)
The Toronto Star: September 10, 2009 – Haunting Sounds from the Depth of the Earth (Luray Caverns, Virginia, USA)
The Toronto Star: July 2, 2009 – Riga Thrives on Solar Energy (Riga, Latvia)
The Toronto Star: April 2, 2009 – There’s gems in them thar Carolina hills (North Carolina, USA)
The Washington Post: January 14, 2009 – Gliding Through Ottawa’s Canal Zone (Ottawa, Canada)
The Washington Post: November 9, 2008 – Finding Gems in N.C Ore, Not (North Carolina, USA)