Canal Basin Panorama - taken from what is today the intersection of 9th and Canal Streets looking east.

Click for a high-resolution (2995KB) image.

This panorama consists of two stereoscopic negatives, ie: two slightly different images per each plate - this explains why you can see that this is a four-part pan. These negatives are at the National Archives: (NWDNS-111-B-5379) & (NWDNS-111-B-6148).