How high is the crawl space? How long? What is it made from?

所有跟帖： 

• 在入口处量是15寸，应该是3寸cast iron -sneezy888- ♂ (0 bytes) () 01/19/2026 postreply 12:53:18

• 玄了。这个高度没人爬得进去，估摸还得挖。两尺高估摸有人愿意爬进去，但也得看钱的高度够不够。三尺高估摸你也不愿爬进去换。 -守月- ♀ (0 bytes) () 01/19/2026 postreply 13:55:53

• I did 16. Not comfortable but doable. -borisg- ♂ (0 bytes) () 01/19/2026 postreply 14:15:08