Experimental Study on Comprehensive Real-Time Methods to Determine Geological Condition of Rock Mass along the Boreholes while Drilling in Underground Coal Mines

Table 3

Borehole information.

Borehole ID	Orientation (°)	Dip angle (°)	Borehole type	Borehole depth (m)
No. 11	49	17	Cross-layer	33
No. 12	58	19	Cross-layer	41
No. 21	139	7	In-seam	24
No. 22	225	5	In-seam	56