A Century of Adventure in Northern Health: The Public Health Service Commissioned Corps in Alaska, 1879–1978, by Robert Fortuine
Bibliographic record
Abstract
delight to the author.Free entry opened Canada's North, and nowhere more so than in the Yukon.Environmental and land-use standards eventually came into existence, and it is no longer possible for prospectors to live off the land.Environmentalists will appreciate that Hills of Silver is a fascinating case history of pollution and metal dispersion on creeks and rivers.The author is eloquent in his descriptions of mining methods.The presence of glacial overburden and permafrost had a profound influence in the Yukon plateau.Placer miners initially panned and worked the streams, then blasted shafts through frozen gravel and clay using steam injection points to reach the pay zone at the bedrock surface.Yukon prospectors always had to be miners as well.When it came to vein prospecting in this mountainous region, they used the spring runoff for surface sluicing of the float-and overburden-covered ground.Eventually they traced the best float occurrences down through the overburden to the bedrock veins by sinking timbered shafts.The usual technique was steam-assisted drilling, achieved by using old oil drums, fittings, and pipe and a supply of firewood and water.Another theme Dr. Aho stresses is the importance of transportation, which evolved to meet the changing needs of the miners.Only when they could be transported did trucks, cat trains, compressors, and jack-leg drills come into use, and likewise geophysics, underground diamond drilling, and overburden rotary percussion drilling.Note that mining in the Keno Hill district was all underground, and the often dusty conditions in the permafrost zone affected the health of miners.Dr. Aho states his optimistic and visionary view of the potential for more mineral wealth in the hinterland of the Yukon plateau.He was a prospector at heart and made a valuable contribution to the industry in the Keno Hill camp and elsewhere.He founded Dynasty Mines, which discovered the great Anvil base metal deposit.He is truly an icon of Yukon geology and had much potential left when his untimely death occurred in 1977.It is a tribute to the efforts of his family, friends, and colleagues that Hills of Silver saw publication in 2006.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.003 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.014 | 0.008 |
| Scholarly communication | 0.005 | 0.006 |
| Open science | 0.001 | 0.004 |
| Research integrity | 0.003 | 0.007 |
| Insufficient payload (model declined to judge) | 0.004 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".