[Texascavers] tire tread photos.

2012-10-11 Thread Ted Samsel
"To the moon, Alice!" --Ralph Cramden http://blogs.discovermagazine.com/badastronomy/2012/10/11/wheels-on-mars/

[Texascavers] tire tread photos.

2012-10-11 Thread Ted Samsel
"To the moon, Alice!" --Ralph Cramden http://blogs.discovermagazine.com/badastronomy/2012/10/11/wheels-on-mars/

[Texascavers] tire tread photos.

2012-10-11 Thread Ted Samsel
"To the moon, Alice!" --Ralph Cramden http://blogs.discovermagazine.com/badastronomy/2012/10/11/wheels-on-mars/