Restore a Site to the same Content Database with Gradual Site Delete

Looks like in order to restore a site to the same Content Database, one must perform the following steps after deleting the site:

1. get-spdeletedsite -webapplication http://samplesite.com | Remove-SPDeletedSite

2. Central Administration > 'Monitoring' > 'Review job definitions' > 'Gradual Site Delete' (For the appropriate Web Application) > 'Run Now' button.


References:
http://reality-tech.com/2012/04/04/gradual-site-collection-deletion/