336
-DOCSTART- A list of communities possibly impacted by overflowing dams . Map soon . Officials say residents should consider evacuating . # HarveyFlood https://t.co/BC6usB15Am
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: exact location, area, road, river 
Text: {0} 
Answer:
 None