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Identification:

Preferred Structure Name:
Coal Creek Dredge
Structure Number:
COALCP83
Other Structure Name(s):
 
Other Structure Name(s)
1. 
Coal Creek Historic Mining District
Park:
Yukon-Charley Rivers National Preserve
Historic District:
 
Historic District
No records.
Structure State:
Alaska
Structure County:
Unorganized Borough
Region:
Alaska
Administrative Unit:
Yukon-Charley Rivers National Preserve
LCS ID:
035131
 
Historical Significance:

National Register Status:
Entered - Documented
National Register Date:
05/01/1995
National Historic Landmark?:
No
Significance Level:
State
Short Significance Description:
Contributing feature to the Coal Creek Historic Mining District, which has state significance under NR Criteria A & B. Areas of Significance: Industry, Engineering, for association with significant Alaskan educator and miner, Ernest Patty. Period of Significance: 1933-1964.
Long Significance Description:
Coal Creek Dredge is a contributing feature to the Coal Creek Historic Mining District which is eligible for the National Register at the State level, under criterion A as representative of mid-century placer mining on the upper Yukon and under criterion B for its association with Ernest N. Patty, who made enormous contributions to education in Alaska serving as dean and president of the University of Alaska, Fairbanks. Criteria consideration B applies to the mobile camp at Beaton Pup, its third location since 1935. Camp buildings associated with gold dredging were frequently built on skids allowing for the easy relocation of those buildings as the dredge progressed through the area. Under criteria consideration G, the period of significance 1933-1964, includes a span of time less than fifty years to include the full accounting of the mining history of Coal Creek and Patty’s long-term involvement and impact. The National Register Nomination was approved by the Keeper on May 4, 1995. SHPO concurrence for the Coal Creek Historic Mining District Cultural Landscape Inventory was received on October 13, 2003.

Gold mining has been an important and persistent theme in the history of the upper Yukon River region of Alaska. From the consolidation of numerous small claims by Gold Placers Inc. between 1934 and 1935, to the introduction of heavy equipment between 1935 and 1936, to the growth of the operation under the managerial skills of Ernest N. Patty, and to the final dredging effort of Gold Placers, Inc. between 1960 and 1964, the Coal Creek Historic Mining District reflects the full spectrum of Alaskan placer gold mining. The design, materials, and construction of the buildings reflect the ingenuity required to operate a significant large-scale mining operation in an extremely remote Alaskan site.

Virtually all of the components of the historic dredge operation including the dredge, mobile camp buildings, the historic road, tailings piles, hydraulic ditch, upper penstock, and innumerable other artifacts are still extant. Slaven’s roadhouse and outbuildings, and the structures at Slaven Dome also contribute to the significance of the historic mining district. The last owners, Coal Creek Mining Properties, sold the property to the National Parks Conservation Association who then donated it to the National Park Service in 1986. The district is a unique feature of the Yukon-Charley Rivers National Preserve.
 
Construction Period:

Construction Period:
Historic
Chronology:
 
Physical Event
Begin Year
Begin Year AD/BC
End Year
End Year AD/BC
Designer
Designer Occupation
1. 
Built
1935
AD


William Johnson Co.
Other
2. 
Stabilized
1991
AD
1995
AD
NPS
Other
3. 
Stabilized
2001
AD
2002
AD
NPS
Other
 
Function and Use:

Primary Historic Function:
Extractive Facility (Mining)
Primary Current Use:
Vacant/Maintained (Mothballed)
Structure Contains Museum Collections?:
No
Other Functions or Uses:
 
Other Function(s) or Use(s)
Historic or Current
1. 
Mine
Historic
 
Physical Description:

Structure Type:
Building
Volume:
20,000 - 2,000,000 cubic feet
Square Feet:
3360
Material(s):
 
Structural Component(s)
Material(s)
1. 
Superstructure
Wood
2. 
Superstructure
Steel
3. 
Superstructure
Metal
Short Physical Description:
Dredge made of steel construction with wood framed walls and roof; 4 cubic foot dredging buckets; Hull is 80'3"x41'10". Total length is 162'; Total height is 44'; Tractors with cables help guide dredge as is creates its own float pond.
Long Physical Description:
2001 - Windows and doors repaired and /or replaced. Three exterior doors still need to be replaced. Dredge is listing to port causing the metal door frame on the main door to collapse. This door does not shut. Rolled roofing deteriorating causing water damage inside dredge.