# Episode 149: Stone, Sand, And Gravel Explained For Everyday Life Page: https://stenobird.com/podcast/under-the-canopy-6490121/episode-149-stone-sand-and-gravel-explained-for-everyday-life Text version: https://stenobird.com/podcast/under-the-canopy-6490121/episode-149-stone-sand-and-gravel-explained-for-everyday-life.md Podcast: [Under the Canopy](https://stenobird.com/podcast/under-the-canopy-6490121) Published: 2026-06-15T13:00:00+00:00 Episode link: https://www.buzzsprout.com/2221923/episodes/19344549-episode-149-stone-sand-and-gravel-explained-for-everyday-life.mp3 Audio file: https://www.buzzsprout.com/2221923/episodes/19344549-episode-149-stone-sand-and-gravel-explained-for-everyday-life.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/under-the-canopy-6490121/episodes/episode-149-stone-sand-and-gravel-explained-for-everyday-life Duration seconds: 4284 ## Resource The modern world feels like steel and glass, but it actually starts with something far less glamorous: stone, sand, and gravel. We sit down with Sharon Armstrong, Executive Director of the Ontario Stone, Sand, and Gravel Association, to unpack the “hidden in plain sight” resource that becomes our roads, sidewalks, bridges, hospitals, schools, and homes, and why most of us only notice it when a gravel truck slows us down. We get practical fast. Sharon explains what “aggregate” really means, h... ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/under-the-canopy-6490121/episodes/episode-149-stone-sand-and-gravel-explained-for-everyday-life/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/under-the-canopy-6490121/episode-149-stone-sand-and-gravel-explained-for-everyday-life.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.