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Heritage Science

Table 3 Statistics of the elevation and quantity of grottoes in Gansu Province

From: A study on the spatial distribution and historical evolution of grotto heritage: a case study of Gansu Province, China

Altitude (m)

500–1000

1000–1500

1500–2000

2000–2500

2500–3000

Number

6

101

69

59

11

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