The blog Rock Hammer features amazing vintage photographs of geologists in the field.
(thanks M)
Rock Hammer
May 6, 2010
By Jesse Thorn
Our Benefactors
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 72
echo adrotate_group(1);
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 74
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 72
echo adrotate_group(2);
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 74
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 72
echo adrotate_group(5);
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 74
Further Benefactors
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 72
echo adrotate_group(4);
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 74
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 72
echo adrotate_group(6);
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 74
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 72
echo adrotate_group(7);
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 74
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 72
echo adrotate_group(8);
Warning: Use of undefined constant W3TC_DYNAMIC_SECURITY - assumed 'W3TC_DYNAMIC_SECURITY' (this will throw an Error in a future version of PHP) in /srv/users/putthison-staging/apps/putthison-staging/public/wp-content/plugins/adrotate-pro/adrotate-widget-group.php on line 74