URGENT: Lost passport in canada after H1 stamping

[gnanap]

I came to montreal canada for h1 b stamping from New Jersey. I got my Visa stamped in the passport and while returning back to US, i lost all my documents including passport, I 797 Approval and also copies of my documents, before crossing the US border. Now i am stuck in canada. I logded a complaint at the local police station. Please help me with the procedure to get back to US.

Thanks for your Help
Prakash