Yeah, but not a 70-71 Dart. I don't recognize what they are from, but it's not a Dart.
Check it, here's a close up of a 70 Dart marker light:
http://farm5.static.flickr.com/4109/4994391894_63745bcae4_o.jpg
The angle of the frame is wrong on the rear ones too... on a '70-'71 Dart, the rear...