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u �r BERMING AND LANDSCAPING PLAN RECOMMENDED LANDSCAPING LIST - Typical Berm A NOTES: Plains cottonwood Common Name Scientific Name I The operators of the Mamm Creek Sand and Gravel Pit will provide berming and 2" cal Peachleaf willow Salix anndaloides landscaping for the buffering of the mining activities on the site. The buffers as shown trees 14 9 0 hereon will help to minimize the visual and noise impacts from the operation. The visual Austrian Pine Pinus Nigra Sandbar willow buffer west of the large hill will consist of berming and landscaping materials as shown 5 gallons 5 goons Bebb willow Salix bebbiana on the information provided for Berms A and B. The berming/landscaping will be Blue Spruce Elder Picea Pungens Glauca Acerne o 5 gallons placed between the right-of-way fence and the top wall of the north side of the pits. . The Plains cottonwood lid Populus deltoides Total berms/landscaping will vary in width and height depending on the existing field 14.3 PLS lb /acre J > conditions, but will be as tall as possible to provide maximum screening effect. The area Amur Maple Acer ginnala AUG 15 2001 east of the large hill has been designated for a portion of the wetlands mitigation required Narrowleaf Cottonwood Populus angustifolia cc on the site. Berming will not be required in this area, although a revegetated berm may CC be placed here if space is available beyond the mitigation areas. Mitigation in this area Shrubs will be achieved with a variety of indigenous wetland species and/or riparian forest materials, and preservation of the existing mature vegetation adjacent to the right -0f - Skunkbrush sumac Rhus trilobara Chokecherry Prunus virginia way. Woods rose Rosa w•oodsii Z. The woody component of the riparian wetland mitigation to be placed east of the large Servicebern Common lilac Amelanchier alni, folia Syringa vulgaris hill will be characterized by four species of trees and five species of shrubs. Use of large purpurea trees. i.e. 1 -1/2 to 2 inch diameter, and five gallon container size shrubs will create an immediate visual barrier between the project and 1 -70. The I -1/2 -2 inch diameter trees will be 15 -18 feet tall and have a canopy 8 -12 feet wide. The five gallon container sized shrubs will be 2-4 feet tall. Two or three rows of trees and 34 rows of shrubs will be RECOMMENDED LANDSCAPING LIST - Typical Berm B used for the visual barrier. All these plant materials grow rapidly and within 5 -10 years time will create a visual barrier 30 -35 feet high. Common Name Scientific Name 3. The berms will be revegetated with the recommended grass seed mixture shown hereon, Trees or another mix of similar qualm•. Austrian Pine Pinus Nigro 4. The berms will be landscaped with the recommended tree and shrub species shown Blue Spruce Picea Pungens Glauca hereon. Smaller existing plant materials on -site that can be preserved shall be Amur Maple Aver ginnala transplanted to the berms. Narrow °leaf Cottonwood Populus angustifolia Peachleaf willow Salix amygdalordes 5 The berm and associated landscaping and revegetation will be phased in conjunction with the phasing of the pit. Shrubs 6 Adequate irrigation water will be provided to the landscaping areas by the pit operator either through a drip irrigation system or existing irrigation ditches. Straw mulch shall Skunkbrush sumac Rhus tzilobaia be provided for seeded areas. Common lilac Syringa vulgans purpurea Bebb willow Salix bebbiana 7 Bermingilandscaping cannot exceed l4 feet in height from existing grades under the large Woods rose Rosa woodsii north -south power lines. Serviceberry Amelanchier alnifolia Alder Alnus tenuifolia 8 Upon completion of an approved phase, the berming and landscaping materials shall be utilized for reclamation of the side walls of the ponds and around the top of the ponds. alr— - �' l % Ja 1 I w�/�_ / WEST Eto MINI AREA Top Bank f Pond i X 150' BUFF i -r--�` DjO / 1 r 0 w 53''A w A�0 o� COV Size 6' height C height 2" cal 2" cal 2" cal 10 gal 5 gal 5 gal 5 gal 5 gal 5 gal Size 3' height 3' height L5" cal 1 gal I gal 1 gal 1 gal 1 gal I aal 5 gal I gal Z Z U GKAPHIC SCALE ( IN I•'E,ET ) indi = 200 IL liorizo aal NOTE: 2' CONTOUR INTERVAL 1 1 M� 0 Q a n� L 4, �U 0 / l N - r-- z a �. J- U.1 ° SLOUGH I i i \_ f SLO H T ST PROPEIRTY L!N -` _ cam-- -- REA AREA OF WETLAND ARIAN 15RY CREEK TO SLOUG MINING AREA BER A Top Bank of Pond g -4 1/ 14 OPERTY INEL c AREZ OF WE- RIPARIAN MI j D/ (1�� Wt�� f- -- - - -- - - - - -_ - - 5390 RECOhLMENDED RIPARIAN WETLAND MITIGATION LIST (East of Hill) Common Name Scientific Name gig Trees Box Elder 4cer negundo 2•> Plains cottonwood Populus deltoides 2" cal Narrowleaf cottonwood Populus angustifolia 2" cal Peachleaf willow Salix anndaloides 2» cal Shrubs 14 9 0 Alder Skunkbrush sumac Alnus temdfoho Rhus mlobata gons Sandbar willow Salix exigua 5 gallons 5 goons Bebb willow Salix bebbiana 5 gallons Redosier dogwood Conrur stolonifera 5 gallons SCANNE RECOMMENDED GRASS SEED MIXTURE specie Rpros. % of Mix Seeding Rate Luna Pubescent Wheatgrass 29 4 Arriba Western Wheatgrass 21 3.0 Lincoln Smooth Bronze 14 2.2 Slender Wheatgrass -Satz Luis- 14 9 0 Blue Gramma 'Hachita- 7 1.0 Lewis Flax 3 0.4 W interfat 4 OS American Vetch 4 0.5 Founding Saltbrush 4 0.5 Total 100 14.3 PLS lb /acre J > RECEIVED UJ �CC� AUG 15 2001 Division of Minerals and Geology b N m � u M m C? 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