APPROVED FOR RELEASE: 2009/06/16: CIA-RDP01-00707R000200110011-1
| Northwestern Highlands | Western Hills and Plains | Central and Southern Plains | Southeastern Plain | Eastern Highlands | |
|---|---|---|---|---|---|
| Elevation (in feet) | 2,600 to 3,300 in west
3,200 or more in east |
1,300 to 4,000 in hills and mountains
550 to 1,200 in plains |
375 to 1,300 | 350 to 1,000 | 3,000 to 8,500 |
| Local relief | 1,900 to 2,300 | 650 or less | 500 or less | 500 or less | 1,500 to 3,000 |
| Slope (in %) | 30 to 45 | 5 to 30 | 2 to 10 | 5 to 15 | 30 or more |
| Stream regime: | |||||
| High water | Early February through April | Late February through April | Early April to mid-May | Early April to mid-May | Early March through May |
| Low water | Late June through October | Late June to late October | July through October | July through October | July through October |
| Banks: | |||||
| Upper course | Steep; rock | Steep; gravel | Low; sand or silt | Low; sand | Very steep; rock |
| Lower course | Steep; gravel or sand | Low; sand or silt | Flat; silt or mud | Flat; silt | Steep; rock or gravel |
| Bottoms: | |||||
| Upper course | Rock | Rock | Sand or silt | Sand or silt | Rock |
| Lower course | Sand or gravel | Sand or gravel | Silt or mud | Silt or mud | Rock or gravel |
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APPROVED FOR RELEASE: 2009/06/16: CIA-RDP01-00707R000200110011-1
