• P000014
    • Easdale Island. Argyllshire. Easdale...
    • P001251
    • Oblique aerial view north-west from...
    • P001253
    • Oblique aerial view looking...
    • P001255
    • Looking east-north-east from Aberfoyle...
    • P001256
    • Oblique aerial view looking...
    • P002858
    • Near Port of Menteith, looking...
    • P1010165
    • Aberfoyle Slates. Outside aureole. 200...
    • P1010178
    • 100 yds N of summit of Craig More....
    • P1010179
    • 100 yds N of summit of Craig More....
    • P1034415
    • Photograph of a sample of Highland...
    • P1034416
    • Photograph of a sample of Highland...
    • P1034417
    • Photograph of a sample of Highland...
    • P1034418
    • Photograph of a sample of Highland...
    • P217874
    • Strath a' Ghlinne, with Glenartney...
    • P218103
    • Allt a' Chroin, 119 m. upstream from...
    • P218104
    • Allt a' Chroin, 119 m. upstream from...
    • P239959
    • Runnagour, Aberfoyle. Roche moutonnee.
    • P239960
    • Runnagour, Aberfoyle. Roche moutonnee.
    • P519566
    • Specimen of roofing slate quarried from...
    • P519575
    • Specimen of Ballachulish Slate from New...
    • P519597
    • Specimen of roofing slate from...
    • P519598
    • Specimen of roofing slate from...
    • P519599
    • Specimen of roofing slate from...
    • P519600
    • Specimen of roofing slate from...
    • P519601
    • Specimen of roofing slate from...
    • P519602
    • Specimen of roofing slate from...
    • P519603
    • Specimen of roofing slate from...
    • P519604
    • Specimen of roofing slate from...
    • P519605
    • Specimen of roofing slate from...
    • P519648
    • Specimen of slate from burn north of...
    • P519653
    • Specimen of slate from Ruhumman Quarry,...
    • P519655
    • Specimen of slate from roadside at...
    • P519656
    • Specimen of slate from Castle Burn, 1...
    • P519664
    • Specimen of roofing slate quarried from...
    • P519667
    • Specimen of roofing slate from...
    • P519678
    • Aberfoyle slate from Aberfoyle Slate...
    • P519813
    • Map showing the slate belts of...
    • P519816
    • Microscopic sections of slate A at...
    • P519823
    • Map of the Highland Border Slate belt....
    • P519824
    • Sketch map of the Luss slate quarries....
    • P519825
    • Sketch map of the Aberfoyle slate...
    • P519826
    • Sketch map of the slate quarries near...
    • P524265
    • Photomicrograph of slate from Aberfoyle...
    • P524314
    • Photomicrograph of limestone. Light:...
    • P524315
    • Photomicrograph of limestone. Light:...
    • P524316
    • Photomicrograph of metasandstone....
    • P524317
    • Photomicrograph of metasandstone....
    • P526581
    • Aberfoyle (Scots) slate. Edinburgh...
    • P527560
    • Barytes from Aberfeldy, Perthshire.
    • P527561
    • Barytes from Aberfeldy, Perthshire.
    • P527568
    • Barytes from Aberfeldy, Perthshire.
    • P750382
    • Full size Green Roofing Slate....
    • P750388
    • Green roofing slate, undersize....
    • P750397
    • Blue Roofing Slate, under size....
    • P750399
    • Blue roofing slate, full size....
    • P906562
    • Hornblendite or epidiorite. About 3.5...
    • P906563
    • Leny grit. Craigmore Quarry, Aberfoyle.
    • P906567
    • Leny grit. Craigmore Quarry, Aberfoyle.