{"product_id":"postcard-rppc-british-columbia-field-canada-spiral-tunnel-railroad-train-1940s","title":"Field British Columbia Spiral Tunnel Railroad 1940s RPPC Postcard Unposted","description":"\u003cp data-start=\"183\" data-end=\"363\"\u003eThis 1940s real photo postcard documents the Spiral Tunnels near Field in British Columbia, an engineering solution developed to manage steep grades through the Canadian Rockies.\u003c\/p\u003e\n\u003cp data-start=\"365\" data-end=\"892\"\u003eConstructed in the early twentieth century as part of the Canadian Pacific Railway’s transcontinental route, the Spiral Tunnels allowed trains to gain elevation gradually by looping through the mountains rather than ascending directly. This approach reduced grade severity and improved safety for heavy freight and passenger trains navigating the rugged terrain of the Rockies. The tunnels became a notable feature of railway engineering in North America, reflecting the scale and ambition of transcontinental rail expansion.\u003c\/p\u003e\n\u003cp data-start=\"894\" data-end=\"1331\"\u003eThe image presents a high vantage view of the forested mountainside with a visible tunnel opening set into the slope and curving rail lines threading through the landscape. A track segment runs across the foreground, emphasizing the layered routing characteristic of the spiral design. Dense conifer stands surround the cut lines, while the tonal range and detail reflect the clarity associated with real photo postcards of the period.\u003c\/p\u003e\n\u003cp data-start=\"1333\" data-end=\"1622\"\u003eThe item shown in the listing is the exact item the collector will receive. We have tens of thousands of items to choose from. Shipping will always be combined or refunded to save you as much money as possible. Please contact us with any questions, or visit our store page for specifics.\u003c\/p\u003e","brand":"Everything Ephemera","offers":[{"title":"Default Title","offer_id":52979777077432,"sku":"20240118","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/8740\/6008\/files\/57_259b517a-1b8b-47f1-a533-7af0d891e3eb.jpg?v=1773028820","url":"https:\/\/everythingephemera.com\/products\/postcard-rppc-british-columbia-field-canada-spiral-tunnel-railroad-train-1940s","provider":"Everything Ephemera","version":"1.0","type":"link"}