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![IMG-8278 (2).jpg](https://static.wixstatic.com/media/f3e9e5_9444aa2e327c47f6a687023d76e73c3d~mv2.jpg/v1/fill/w_225,h_300,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/IMG-8278%20(2).jpg)
After storm, Campus Creek
![IMG-8580.jpg](https://static.wixstatic.com/media/f3e9e5_755fbac5adef4b96970a9e238dfcea76~mv2.jpg/v1/fill/w_225,h_300,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/IMG-8580.jpg)
Restoration at Paint Branch
![20230215_103824.jpg](https://static.wixstatic.com/media/f3e9e5_d2ed87168464419a8667329895c7e2e5~mv2.jpg/v1/crop/x_0,y_0,w_3487,h_2268/fill/w_461,h_300,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/20230215_103824.jpg)
Watts Branch, Washington, DC
![20220902_155711.jpg](https://static.wixstatic.com/media/f3e9e5_a73536a4d88f46ea82a1509e25b82e3d~mv2.jpg/v1/fill/w_425,h_319,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/20220902_155711.jpg)
![](https://static.wixstatic.com/media/f3e9e5_136311301f2a40169cf6e0a0056f8c81~mv2.jpg/v1/fill/w_233,h_319,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/f3e9e5_136311301f2a40169cf6e0a0056f8c81~mv2.jpg)
![20190303_093847.jpg](https://static.wixstatic.com/media/f974f3_d6bcab9fedc84c6e9fbe1d96d10b33a6~mv2_d_3024_4032_s_4_2.jpg/v1/fill/w_239,h_319,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/20190303_093847.jpg)
![IMG-5712.jpg](https://static.wixstatic.com/media/f3e9e5_158db78059224be881951b6e276a0a50~mv2.jpg/v1/fill/w_85,h_64,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/IMG-5712.jpg)
Goldie at Rock Creek
![Resized-20220624-194415-856780016321078.JPEG](https://static.wixstatic.com/media/f3e9e5_c320352c4493442385b304afaf8683b7~mv2.jpeg/v1/crop/x_0,y_228,w_1134,h_1287/fill/w_56,h_63,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/Resized-20220624-194415-856780016321078_JPEG.jpeg)
Egret on Anacostia River
![20230215_AnacostiaBladensburg_Sydney.jpg](https://static.wixstatic.com/media/f3e9e5_116f906ae80447dda9a3bc3aa3b08978~mv2.jpg/v1/fill/w_85,h_63,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/20230215_AnacostiaBladensburg_Sydney.jpg)
Sampling, Anacostia River, Bladensburg, MD
![image000000(3).jpg](https://static.wixstatic.com/media/f3e9e5_37c18d80c9b841739b11c8e1bb3182ff~mv2.jpg/v1/fill/w_113,h_63,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/image000000(3).jpg)
Sampling the Licking River, OH
![20230215_110259.jpg](https://static.wixstatic.com/media/f3e9e5_8f25f5bf57fd4e068fec2b4579f334c5~mv2.jpg/v1/fill/w_113,h_63,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/20230215_110259.jpg)
ATM in Watts Branch, Washington, DC
![20230510_125320.jpg](https://static.wixstatic.com/media/f3e9e5_13ccdeb9887146a1bc8ea240022126c1~mv2.jpg/v1/fill/w_91,h_51,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/20230510_125320.jpg)
Beavers at work, Watts Branch, Washington, DC
![20220726_151748.jpg](https://static.wixstatic.com/media/f3e9e5_a93d56bb2589419eb905168638d102c2~mv2.jpg/v1/crop/x_0,y_484,w_2268,h_3199/fill/w_200,h_282,al_c,q_80,usm_0.66_1.00_0.01,blur_3,enc_auto/20220726_151748.jpg)
Sampling
![Resized-20230419-105355.jpeg](https://static.wixstatic.com/media/f3e9e5_13916442f1e945bc96843b2fa695f2fd~mv2.jpeg/v1/crop/x_0,y_112,w_1134,h_1706/fill/w_187,h_281,al_c,q_80,usm_0.66_1.00_0.01,blur_3,enc_auto/Resized-20230419-105355.jpeg)
Bull Run headwaters
![](https://static.wixstatic.com/media/f3e9e5_3e2301f967d94e819c8f468f1faae014~mv2.jpg/v1/fill/w_103,h_79,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f3e9e5_3e2301f967d94e819c8f468f1faae014~mv2.jpg)
![20190730_123720.jpg](https://static.wixstatic.com/media/f974f3_45dd5743872240eb9d3d772194239efc~mv2_d_3024_4032_s_4_2.jpg/v1/fill/w_59,h_79,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/20190730_123720.jpg)
![](https://static.wixstatic.com/media/f974f3_35103826d7084fbe905aecd5d208e0bb~mv2_d_1536_2048_s_2.jpg/v1/fill/w_59,h_79,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f974f3_35103826d7084fbe905aecd5d208e0bb~mv2_d_1536_2048_s_2.jpg)
![IMG_2271.jpg](https://static.wixstatic.com/media/f974f3_5f51a214815b4350bd2b07e496598f6e~mv2_d_3024_4032_s_4_2.jpg/v1/fill/w_59,h_79,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/IMG_2271.jpg)
Lab work
![](https://static.wixstatic.com/media/f3e9e5_383c29d9280141a3b0620223c6ca64dd~mv2.jpg/v1/fill/w_59,h_79,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f3e9e5_383c29d9280141a3b0620223c6ca64dd~mv2.jpg)
![](https://static.wixstatic.com/media/f3e9e5_9e23d4fd8cde470183b27c70d2040bcf~mv2.jpg/v1/fill/w_106,h_79,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f3e9e5_9e23d4fd8cde470183b27c70d2040bcf~mv2.jpg)
Sampling at Paint Branch
Sampling at Campus Creek, College Park, MD
![](https://static.wixstatic.com/media/f3e9e5_7033b990bc1549bf9c07a54eb7dc339c~mv2.jpg/v1/fill/w_115,h_86,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f3e9e5_7033b990bc1549bf9c07a54eb7dc339c~mv2.jpg)
![](https://static.wixstatic.com/media/f3e9e5_95f116492d624bdd97dcf112bd85eb63~mv2.jpg/v1/fill/w_114,h_87,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f3e9e5_95f116492d624bdd97dcf112bd85eb63~mv2.jpg)
Sampling at Northeast Branch Anacostia River, Riverdale, MD
Lab group with Dr. Gene Likens
![](https://static.wixstatic.com/media/f3e9e5_4a78968fc5f240b39acedf5dbf0d1d0f~mv2.jpg/v1/fill/w_115,h_86,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f3e9e5_4a78968fc5f240b39acedf5dbf0d1d0f~mv2.jpg)
![](https://static.wixstatic.com/media/f3e9e5_1821b8d9fc524a35a919b646295f7cc7~mv2.jpg/v1/fill/w_115,h_86,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f3e9e5_1821b8d9fc524a35a919b646295f7cc7~mv2.jpg)
Senior thesis students
Sampling at Northwest Branch Anacostia River, Hyattsville, MD
![](https://static.wixstatic.com/media/f3e9e5_0bdd5df726d0498f8eb8488f3929d345~mv2.jpg/v1/fill/w_115,h_86,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f3e9e5_0bdd5df726d0498f8eb8488f3929d345~mv2.jpg)
Sampling at Bull Run, Manassas, VA
![](https://static.wixstatic.com/media/f3e9e5_bf5ff35b4d6d4bc0b61d8adc1880494f~mv2.jpg/v1/fill/w_115,h_86,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f3e9e5_bf5ff35b4d6d4bc0b61d8adc1880494f~mv2.jpg)
Field work at Campus Creek, College Park, MD
![IMG-9811.jpg](https://static.wixstatic.com/media/f3e9e5_748ae323bd7c45d5a23621fe82e7ba72~mv2.jpg/v1/fill/w_106,h_79,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/IMG-9811.jpg)
![lab potluck.jpg](https://static.wixstatic.com/media/f974f3_11020ac249224d539b2e46bde0d6fe31~mv2_d_2912_3024_s_4_2.jpg/v1/crop/x_0,y_481,w_2912,h_1995/fill/w_116,h_80,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/lab%20potluck.jpg)
![IMG-7752.jpg](https://static.wixstatic.com/media/f3e9e5_66aecaea48a048aeb221105a3e816e2a~mv2.jpg/v1/fill/w_200,h_267,al_c,q_80,usm_0.66_1.00_0.01,blur_3,enc_auto/IMG-7752.jpg)
Sampling the Anacostia
![](https://static.wixstatic.com/media/f3e9e5_4a380952715d4d8bb4fbe58345005817~mv2.jpg/v1/fill/w_89,h_67,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f3e9e5_4a380952715d4d8bb4fbe58345005817~mv2.jpg)
Taking discharge at Campus Creek
![](https://static.wixstatic.com/media/f974f3_431671067e3249ba8493533ad84c0d20~mv2_d_2083_1561_s_2.jpg/v1/fill/w_89,h_67,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f974f3_431671067e3249ba8493533ad84c0d20~mv2_d_2083_1561_s_2.jpg)
Lab members, old and new
![](https://static.wixstatic.com/media/f3e9e5_90534580e2bc45bf97e9d0b53c48e3cf~mv2.jpg/v1/fill/w_115,h_86,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/f3e9e5_90534580e2bc45bf97e9d0b53c48e3cf~mv2.jpg)
Sampling at Paint Branch Stream, College Park, MD
![](https://static.wixstatic.com/media/f3e9e5_ae7968c6fd0541679938fd31ec6f21aa~mv2.png/v1/fill/w_115,h_86,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/f3e9e5_ae7968c6fd0541679938fd31ec6f21aa~mv2.png)
Winter sampling
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