```python
from django.conf.urls import url
  
from .views import GeocollectionDetail, geocollection_permissions

urlpatterns = [
    url(r'^(?P<slug>[-\w]+)/$',
        GeocollectionDetail.as_view(),
        name='geocollection-detail'),
    url(r'^permissions/(?P<collection_slug>[-\w]+)/$',
        geocollection_permissions,
        name='geocollection_permissions')
]
```