I am working on a project where I have a bunch of water samples of various lakes over a long period of time. I have a separate file that has information about all these lakes, including the latitude and longitude of each. I want to be able to enter into the row of each sample the lat/lon of the lake it was taken from, but the sample file is very large and I don't have the time to do each one by hand. Is there a faster way to do this?
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