matrices, drawing lines on the blank sheet to correspond to ttiose of the 

 heading columns and identifying each parameter in its proper position. An 

 example of a template will be shown later (Figure 12a). To fill out the tem- 

 plate the following information ia required: 



• The size of the river at which the mining operation will be conducted 

 (small, medium, or large) 



• The site location or locations with respect to floodplain type (active, 

 inactive, terrace) (see Figure 10) 



• The type of channel or channels associated with the desired gravel 

 deposit (active, high-water, abandoned) (see Figure II) 



• The type of gravel deposits to be mined (see Figure II) 



Fi I I ing Out a Template . For each individual template evaluation, only 

 one river size, site location, and associated channel can be used. Any number 

 of deposit types can be used as long as they are all associated with the 

 same floodplain and channel type being considered. 



53 



VI . SITE OPERATION 



