. >> and joining us now to discuss this is christine leonards, superintendent at the golden gate national recreation area. welcome. >> nice to be with you. thank you very much. >> first of all, for those who don't know what the golden gate national reactionriaticreation park is, can you describe what sets it apart from other national parks? >> yes, i'd be happi. to the recreation area was established in 1972. if you look at the national recreation area today, the north send in marin county. we run through marin 60 miles south through san francisco and down to san mateo county. the park preserves a number of special resources from incredible natural resources when you look at marin county and places where there are areas that have been preserved in perpetuity because of the passion of people who have lived in this area, into the san francisco area where we have nike missile sites, pre-civil war era -- areas, and down into the south area, san mateo county where there are beaches and open spaces that we are proud to preserve forever. >> enormous natural beauty. where can dog owners currently