 | 1982 - 284 pages
...characterized by essentially unmodified natural environment of fairly large size. Concentration of users is very low and evidence of other users is minimal....is managed to be essentially free from evidence of man-induced restrictions and controls. Only facilities essential for resource protection are used.... | |
 | 1983 - 392 pages
...are: 1. Primitive — Area is characterized by an essentially unmodified natural environment of fairly large size. Interaction between users is very low...controls. Motorized use within the area is not permitted. A subclass of the primitive ROS class, used in wilderness presumptions is pristine. (Pristine — Area... | |
 | 1983 - 444 pages
...characterized by essentially unmodified natural environment of fairly large size. Concentration of users is very low and evidence of other users is minimal....is managed to be essentially free from evidence of man-induced restrictions and controls. Only facilities essential for resource protection are used.... | |
 | 1984 - 208 pages
...are: 1. Primitive — Area is characterized by an essentially unmodified natural environment of fairly large size. Interaction between users is very low...controls. Motorized use within the area is not permitted. 2. Semiprimitive Nonmotorized — Area is characterized by a predominantly natural or natural-appearing... | |
 | 1984 - 280 pages
...are: 1. Primitive - Area is characterized by an essentially unmodified natural environment of fairly large size. Interaction between users is very low...controls. Motorized use within the area is not permitted. 2. Semiprimitive Nonmotorized - Area is characterized by a predominantly natural or natural- appearing... | |
 | 1984 - 82 pages
...characterized by essentially unmodified natural environment of fairly large size. Concentration of users is very low and evidence of other users is minimal....is managed to be essentially free from evidence of man-induced restrictions and controls. Only facilities essential for resource protection are used.... | |
 | 1984 - 378 pages
...are: 1. Primitive - Area is characterized by an essentially unmodified natural environment of fairly large size. Interaction between users is very low...controls. Motorized use within the area is not permitted. 2. Semiprimitive Nonmotorized - Area is characterized by a predominantly natural or natural- appearing... | |
 | United States. Forest Service - 1989 - 524 pages
...are: 1 . Primitive - Area is characterized by an essentially unmodified natural environment of fairly large size. Interaction between users is very low...controls. Motorized use within the area is not permitted. A subclass of the primitive ROS class, used in wilderness presumptions is pristine. (Pristine - Area... | |
 | 1989 - 84 pages
...are: 1. Primitive — Area is characterized by an essentially unmodified natural environment of fairly large size. Interaction between users is very low.... Motorized use within the area is not permitted. A subclass of the primitive ROS class, used in wilderness presumptions is pristine. (Pristine — Area... | |
 | United States. Forest Service. Pacific Northwest Region - 1990 - 624 pages
...classes are: Primitive. Area is characterized by an essentially unmodified natural environment of fairly large size. Interaction between users is very low,...is managed to be essentially free from evidence of management restrictions and controls. Motorized use within the area is not permitted. Semiprimitive... | |
| |
Primitive - Area is characterized by an essentially unmodified natural environment of fairly large size. Interaction between users is very low and evidence of other users is minimal. The area is managed to be essentially free from evidence of human-induced... 
