A field study by Cevdet Yılmaz, published by Türkiye's culture ministry, distinguishes natural snow deposits from dug pits. It documents packed snow covered with grass or straw to slow melting; this is not one design for every region.
Record a storage example
The study also records use of karst fissures on the Taşeli Plateau for cooler storage of dairy products. Record place, structure, covering and use separately; do not invent missing dimensions.
Separate the engineering lesson
Mass, insulation, shading and access frequency are variables that affect passive storage. Do not assign a duration to a historical method without measurements.
Apply it to current operations
For an insulated container, log starting load, ambient conditions, openings and a product-zone reading. Compare these with your own operating conditions, not a duration attributed to a historical structure.
Verify historical details
Match claims about date, local name and use to a museum, archive or site-inventory record. Do not generalise one example to all Anatolia.