Photo: Progress on erosion-control barriers  near top of Hidden Garden Steps site (16th Avenue, between Kirkham &amp; Lawton streets, in San Francisco&#39;s Inner Sunset District) as of July 9, 2013, thanks to San Francisco Department of Public Works. For more information about the Hidden Garden Steps project, please visit http://hiddengardensteps.org and/or follow us on Twitter (@gardensteps), Facebook (Hidden Garden Steps), and Google+.