Record Details
page 476
Oregon Digital
| Field | Value |
|---|---|
| Title | page 476 |
| Relation | 1413 |
| Date | 2004-12-15 to 2004-12-29 |
| Rights | This item is in the public domain. Acknowledgement of the University of Oregon Libraries as a source is requested. |
| Type | page |
| Format | Scanned from originals using Silverfast AI 6.0 on UMAX Powerlook III flatbed scanner. Scanned images saved as 16 bit grayscale tiffs. 243.774 kb 8 bit - Gray Gamma 2.2 - greyscale Omnipage 14 used to OCR 8 bit grayscale tiffs and generate text files for full text access. 16 bit grayscale tiffs edited in Photoshop 6.0: cropped, rotated, reduced in size, levels adjusted, bit depth reduced to 8 and JPEGs created. |
| Description | As it would have taken many weeks more to have drilled another hole in the rock, we concluded to see what effect a surface blast would produce ; a cartridge, containing five pounds of giant powder, was then placed under water, and under an overhanging shelf of the rock, in about six feet of water, and exploded, but without effect. The experiments just made were of but little assistance in enabling me to make a fair estimate of the cost of removal of the rock. My impression is that the rocks... |
| Identifier | http://oregondigital.org/u?/wwdl,1125 |
