Photo Gallery: Clark Magnet High School Environmental Geographic Information Science students do research at the mouth of the L.A. River

Clark Magnet High School Environmental Geographic Information Science students Shelia Mgrtichian and project manager Emily Woods look at live sonar images from the remotely operated underwater vehicle (ROV) during an outing for metals analysis to the mouth of the Los Angeles River in Long Beach on Thursday, Sept. 13, 2018. Due to unforeseen circumstances, the students were not able to collect soil samples from the bottom of the channel.  (Raul Roa / Staff Photographer)

Clark Magnet High School Environmental Geographic Information Science teacher Dominique Evans-Bye dives in to remove rope entangled on one of the propellers during an outing for metals analysis to the mouth of the Los Angeles River in Long Beach on Thursday, Sept. 13, 2018. Due to unforeseen circumstances, the students were not able to collect soil samples from the bottom of the channel.  (Raul Roa / Staff Photographer)

Clark Magnet High School Environmental Geographic Information Science students prepare for an outing to collect sediment samples for metals analysis from the mouth of the Los Angeles River in Long Beach on Thursday, Sept. 13, 2018. Due to unforeseen circumstances, the students were not able to collect soil samples from the bottom of the channel.  (Raul Roa / Staff Photographer)

Clark Magnet High School Environmental Geographic Information Science student and assistant project manager Maddie Carr tosses a makeshift sediment collection unit during an outing for metals analysis to the mouth of the Los Angeles River in Long Beach on Thursday, Sept. 13, 2018. Due to unforeseen circumstances, the students were not able to collect soil samples from the bottom of the channel.  (Raul Roa / Staff Photographer)

Clark Magnet High School Environmental Geographic Information Science students used a remotely operated underwater vehicle (ROV) to see the bottom of the channel during an outing for metals analysis to the mouth of the Los Angeles River in Long Beach on Thursday, Sept. 13, 2018. Due to unforeseen circumstances, the students were not able to collect soil samples from the bottom of the channel.  (Raul Roa / Staff Photographer)

Clark Magnet High School Environmental Geographic Information Science student and assistant project manager Maddie Carr holds the cable for the remotely operated underwater vehicle (ROV) while other students view sonar images during an outing for metals analysis to the mouth of the Los Angeles River in Long Beach on Thursday, Sept. 13, 2018. Due to unforeseen circumstances, the students were not able to collect soil samples from the bottom of the channel.  (Raul Roa / Staff Photographer)

Clark Magnet High School Environmental Geographic Information Science student and project cartographer Paul Kim looks out over the ocean during an outing for metals analysis to the mouth of the Los Angeles River in Long Beach on Thursday, Sept. 13, 2018. Due to unforeseen circumstances, the students were not able to collect soil samples from the bottom of the channel.  (Raul Roa / Staff Photographer)

Clark Magnet High School Environmental Geographic Information Science student and project director of media Anna Feddersen documents the trip during an outing for metals analysis to the mouth of the Los Angeles River in Long Beach on Thursday, Sept. 13, 2018. Due to unforeseen circumstances, the students were not able to collect soil samples from the bottom of the channel.  (Raul Roa / Staff Photographer)

Clark Magnet High School Environmental Geographic Information Science students, left to right, researcher Shreeja Guntireddy, media director Anna Feddersen, public relations contact Shay Holladay-McCarthy and art director Shelia Mgrtichian pose for a photo on the Ocean Defenders Alliance boat during an outing to collect sediment samples for metals analysis at the mouth of the Los Angeles River in Long Beach on Thursday, Sept. 13, 2018. Due to unforeseen circumstances, the students were not able to collect soil samples from the bottom of the channel.