MISC@1 explorer PERSON@1 was the first MISC@2 to reach the LOCATION@1 and record its name , arriving in NUMBER@1 and calling the river PERSON@2 in his journal .

PERSON@1 , a MISC@1 explorer , was the first MISC@2 -LRB- or person from LOCATION@2 -RRB- to get to the LOCATION@1 and write down the name . He wrote the name of the river as PERSON@2 in his journal .
