You won't find a "1970 360 car oil pan" because there were no 360's in '70. Just get a car oil pan AND pick up tube, and you'll be ok.
Jegs, Summit, ebay, they all sell them new or get a used one from here or marketplace or wherever.
Unplated / Raw Steel Mopar 360 Stock Sump Oil Pan 1971-80 (Passenger Car Style) | eBay
Melling 72-S2 Engine Oil Pump Pickup Tube and Screen | eBay