• P206231
    • Longhills Pit, Corby. Looking SE.
    • P206232
    • Longhills Pit, Corby. Looking E.
    • P206233
    • Longhills Pit, Corby. Looking W.
    • P206234
    • Longhills Pit, Corby. Looking E.
    • P206238
    • Deene Pit, Corby. Looking NW.
    • P206247
    • Wilson Mine, Mid Lincoln Ironstone...
    • P206248
    • Long Harry Mine, Mid Lincoln Ironstone...
    • P206249
    • Long Harry Mine, Mid Lincoln Ironstone...
    • P206250
    • Long Harry Mine, Mid Lincoln Ironstone...
    • P206255
    • Leadenham Ironstone Quarries. Looking E.
    • P206256
    • Leadenham Ironstone Quarries. Looking E.
    • P208117
    • Staveley Coal and Iron Co.'s pit just...
    • P208118
    • Thingdon Mine (Stanton Ironworks Co....
    • P208119
    • Thingdon Mine (Stanton Ironworks Co....
    • P208120
    • Wellingborough No. 5 Pit (Stanton...
    • P208121
    • Wellingborough No. 5 Pit (Stanton...
    • P208122
    • Wellingborough No. 5 Pit (Stanton...
    • P208126
    • Old ironstone pit face just SE of...
    • P208127
    • Cowthick Ironstone Pit (Stewarts and...
    • P208132
    • Short Leys Pit (Stewarts and Lloyards...
    • P208133
    • Short Leys Pit (Stewarts and Lloyards...
    • P208136
    • Church Mine (Stewarts and Lloyards...
    • P208139
    • Geddington Pit (Stanton Ironworks Co....
    • P208140
    • Geddington Pit (Stanton Ironworks Co....
    • P208141
    • Martin's Pit (Stewarts and Lloyards...
    • P208142
    • Burley Pit (Dorman Long and Co.,...
    • P208143
    • Cottesmore South Pit (Appleby...
    • P208144
    • Cottesmore Pit (Appleby Frodingham Iron...
    • P208145
    • Market Overton Pit (Stanton Ironworks...
    • P208146
    • South Witham Limestone Pit (Stanton...
    • P208148
    • Stainby Pit (Stanton Ironworks Co....
    • P208149
    • Stainby Pit (Stanton Ironworks Co....
    • P208150
    • Colsterworth No. 2 Pit (Appleby...
    • P208151
    • Colsterworth No. 2 Pit (Appleby...
    • P208152
    • Colsterworth No. 2 Pit (Appleby...
    • P208154
    • 1/2 m. NNE of Empingham. Looking SSE.
    • P208155
    • 1 m. ESE of Exton. Looking WNW.
    • P208156
    • 1/2 m. N. of Foster's Bridge between...
    • P208158
    • Just W. of Upper Hambledon. Looking NW.
    • P208159
    • 1 m. SSW of Gretton.
    • P208163
    • Old Ironstone quarries, 1/2 m. W. of...
    • P208251
    • Harston Ironstone Pit, 3/4 m. WSW of...
    • P208252
    • 1/2 m. SW of Withcote. Looking WSW.
    • P208253
    • 1 m. E. by S. of Tilton Station....
    • P208258
    • Nassington Ironstone Pit, 1 m. WNW of...
    • P208266
    • Ancaster Pit, 3/4 m. SE of church at...
    • P208267
    • Ancaster Pit, 3/4 m. SE of church at...
    • P208270
    • 1/4 m. NE of church at Barrow on...
    • P208271
    • Cottesmore South Ironstone Pit, 1/4 m....
    • P208280
    • Rockingham, 2 1/2 m. NW of Corby....
    • P208287
    • Raunds village, W. of church.
    • P208290
    • North End, Higham Ferrers at junction...
    • P208293
    • Premier Cement Co.'s Pit, 3/4 m. W. by...
    • P208294
    • Premier Cement Co.'s Pit, 3/4 m. W. by...
    • P208297
    • Earl's Barton Church.
    • P208443
    • Pitsford Ironstone Quarry, about 1150...
    • P208444
    • Newham Hill, 1 m. NNW of Newham, near...
    • P208445
    • Newham Hill, 1 m. NNW of Newham, near...
    • P208453
    • Large field to the immediate SSW of the...
    • P208454
    • A field about 1/2 m. WSW of crossroads,...