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<loc>https://hrecos.org/lesson-plan/wading-into-the-hudson/</loc>
<lastmod>2026-04-15T14:01:03+00:00</lastmod>
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<loc>https://hrecos.org/lesson-plan/how-much-oxygen-is-in-the-water/</loc>
<lastmod>2026-04-15T14:26:30+00:00</lastmod>
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<loc>https://hrecos.org/lesson-plan/a-virtual-checkup-of-a-rivers-vitals-using-remotely-sensed-data/</loc>
<lastmod>2026-04-15T14:32:36+00:00</lastmod>
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<loc>https://hrecos.org/lesson-plan/oxygen-plants-and-the-hudson-river/</loc>
<lastmod>2026-04-15T14:51:50+00:00</lastmod>
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<loc>https://hrecos.org/lesson-plan/dissolved-oxygen-and-photosynthesis/</loc>
<lastmod>2026-04-15T15:38:14+00:00</lastmod>
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<loc>https://hrecos.org/lesson-plan/using-real-time-data/</loc>
<lastmod>2026-04-16T10:48:41+00:00</lastmod>
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