There's a Fascinating Story of the CIA's Kodachrome Slides of Potatoes

Of all things, potatoes are probably one of the most boring photography subjects. But they're incredibly important. There are many documents in the CIA's database talking about potatoes, harvesting, potato alcohol, and even introducing pests to other countries. But the very perplexing documents are all about Kodachrome transparencies of potatoes. Why would this matter? We're curious, and we find beauty in the mysterious question. Could someone have just been really bored and wanted to photograph...