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You did not realy ask a question... so no resonses. But we are 6 months ahead. so you must have tested it!? What did you find? Did it work?

If you prospects are querying Google for a certain term, Google wants to display relevant information to the best of their ability. If these terms are longtails, finding a relevant page may be difficult for them. So creating optimized & valuable landing pages that focus on the user experience is GOOD. Creating this type of content can be difficult and resource intensive. So, I was pointing out, you can look for clusters of contextually related keywords and create landing page for those clusters. A content farm (is usually defined) as sites that focus on content that they can monetize and typically written strictly for search engines and not visitors. Also, many of them "repurpose" content is from other sources. Since much of the content is not unique/valuable, typically will get dinged.

Those 1-3 words should not be hurting you. Do what's right for usability and how your customers want that page and the 2 maps or whatever else is needed. As for JS, search engines are continously advancing and Google does a decent enough job of reading a lot of JS, not all...most. So without actual examples of what you are looking to do and see how they are coded, it's not possible to say for sure whether it will help accomplish what you are trying to do. If I were you, I'd put second thought into it and do what's right and the best for your visitors.